#BB1027

Closest named color: Scarlet (#BE0119). oklch(50.5% 0.197 23.4), rgb(187, 16, 39).

Aa

White text reads best on this color (6.52:1).

About this color

#BB1027 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.197 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Scarlet (#BE0119), ΔE 0.012 away. White text reads best on it, at 6.52:1.

Hue familyReds
Lightnessmedium-dark (50%)
Chromavivid (0.197)
Temperaturewarm
Nearest nameScarlet (#BE0119)
Black text3.21:1
White text6.52:1

Values

HEX#BB1027
RGBrgb(187, 16, 39)
HSLhsl(352, 84%, 40%)
OKLCHoklch(50.5% 0.197 23.4)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #BB1027 6.52:1 AA Lc -85.3 Fine for body text
Black text on #BB1027 3.21:1 AA large text Lc 23.9 Dividers and decoration only
#BB1027 text on white 6.52:1 AA Lc 80.1 Fine for body text
#BB1027 text on black 3.21:1 AA large text Lc -21.7 Dividers and decoration only

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.

  1. Step 50

    50

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FCE3E1

    oklch(93.6% 0.028 23.2)

  3. Step 200

    200

    #FBCCC9

    oklch(88.5% 0.054 22.5)

  4. Step 300

    300

    #F8A8A3

    oklch(80.8% 0.095 23.3)

  5. Step 400

    400

    #F17672

    oklch(70.8% 0.152 23.6)

  6. Step 500

    500

    #E8494D

    oklch(63.1% 0.195 23.4)

  7. Step 600

    600

    #D31C30

    oklch(55.6% 0.212 23.5)

  8. Step 700

    700 (this color)

    #BB1027

    oklch(50.5% 0.197 23.4)

  9. Step 800

    800

    #94101E

    oklch(42.7% 0.163 23.7)

  10. Step 900

    900

    #771A1E

    oklch(37.8% 0.127 23.7)

  11. Step 950

    950

    #461112

    oklch(26.9% 0.081 23.4)

Export this scale for Tailwind in the Tailwind colors tool

#BB1027 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#4E47260.218
Deuteranopia (no green cones)#766A1F0.198
Tritanopia (no blue cones)#CE001D0.039
Achromatopsia (no color)#5E5E5E0.198

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #BB1027

    #BB1027

    oklch(50.5% 0.197 23.4)

  • #00727B

    #00727B

    oklch(50.3% 0.086 204.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #BB1027

    #BB1027

    oklch(50.5% 0.197 23.4)

  • #B1156D

    #B1156D

    oklch(50.5% 0.197 353.6)

  • #9B4C00

    #9B4C00

    oklch(50.6% 0.128 53.5)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #BB1027

    #BB1027

    oklch(50.5% 0.197 23.4)

  • #007660

    #007660

    oklch(50.5% 0.096 173.7)

  • #006D97

    #006D97

    oklch(50.4% 0.106 234)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #BB1027

    #BB1027

    oklch(50.5% 0.197 23.4)

  • #007B10

    #007B10

    oklch(50.6% 0.167 143.5)

  • #2458D3

    #2458D3

    oklch(50.5% 0.198 263.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #BB1027

    #BB1027

    oklch(50.5% 0.197 23.4)

  • #656B00

    #656B00

    oklch(50.5% 0.113 113.6)

  • #00727B

    #00727B

    oklch(50.3% 0.086 204.4)

  • #6E41C7

    #6E41C7

    oklch(50.4% 0.197 293.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #BB1027, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #BB1027 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.