#870518

Closest named color: Dark Red (#8B0000). oklch(39.6% 0.156 23.5), rgb(135, 5, 24).

Aa

White text reads best on this color (10.16:1).

About this color

#870518 is a dark, vivid red. In OKLCH its lightness is 40%, its chroma 0.156 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.018 away. White text reads best on it, at 10.16:1.

Hue familyReds
Lightnessdark (40%)
Chromavivid (0.156)
Temperaturewarm
Nearest nameDark Red (#8B0000)
Black text2.06:1
White text10.16:1

Values

HEX#870518
RGBrgb(135, 5, 24)
HSLhsl(351, 93%, 27%)
OKLCHoklch(39.6% 0.156 23.5)

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 #870518 10.16:1 AAA Lc -95.8 Preferred for body text
Black text on #870518 2.06:1 Fails Lc 12.5 Not readable
#870518 text on white 10.16:1 AAA Lc 91.5 Preferred for body text
#870518 text on black 2.06:1 Fails Lc -10.9 Not readable

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 900.

  1. Step 50

    50

    #FFF2F1

    oklch(97.1% 0.014 22.8)

  2. Step 100

    100

    #FFE2E0

    oklch(93.6% 0.032 22.5)

  3. Step 200

    200

    #FFCAC6

    oklch(88.4% 0.061 23.4)

  4. Step 300

    300

    #FFA59F

    oklch(81% 0.108 23.9)

  5. Step 400

    400

    #FF6867

    oklch(70.7% 0.185 23.4)

  6. Step 500

    500

    #F9233B

    oklch(63% 0.24 23.4)

  7. Step 600

    600

    #D8002A

    oklch(55.6% 0.225 23.5)

  8. Step 700

    700

    #B70022

    oklch(49.2% 0.199 23.5)

  9. Step 800

    800

    #97001A

    oklch(42.7% 0.172 23.6)

  10. Step 900

    900 (this color)

    #870518

    oklch(39.6% 0.156 23.5)

  11. Step 950

    950

    #4C070C

    oklch(27% 0.099 23.8)

Export this scale for Tailwind in the Tailwind colors tool

#870518 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)#3630170.173
Deuteranopia (no green cones)#544A120.156
Tritanopia (no blue cones)#95000F0.031
Achromatopsia (no color)#4141410.158

Harmonies

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

Complementary

The opposite hue (180°).

  • #870518

    #870518

    oklch(39.6% 0.156 23.5)

  • #005157

    #005157

    oklch(39.6% 0.068 203.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #870518

    #870518

    oklch(39.6% 0.156 23.5)

  • #7F094D

    #7F094D

    oklch(39.5% 0.156 353.3)

  • #6E3400

    #6E3400

    oklch(39.5% 0.1 53.5)

Open the analogous palette in the generator

Split complementary

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

  • #870518

    #870518

    oklch(39.6% 0.156 23.5)

  • #005343

    #005343

    oklch(39.5% 0.075 173.9)

  • #004D6B

    #004D6B

    oklch(39.5% 0.082 233.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #870518

    #870518

    oklch(39.6% 0.156 23.5)

  • #005709

    #005709

    oklch(39.6% 0.13 143.6)

  • #163D99

    #163D99

    oklch(39.6% 0.157 263.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #870518

    #870518

    oklch(39.6% 0.156 23.5)

  • #474B00

    #474B00

    oklch(39.6% 0.088 113.2)

  • #005157

    #005157

    oklch(39.6% 0.068 203.4)

  • #4E2C90

    #4E2C90

    oklch(39.6% 0.156 293.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #870518, closest first.

Similar named colors

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

Use #870518 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.