#1B302D

Closest named color: Jet (#212529). oklch(29% 0.028 184.4), rgb(27, 48, 45).

Aa

White text reads best on this color (13.93:1).

About this color

#1B302D is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.038 away. White text reads best on it, at 13.93:1.

Hue familyNeutrals
Lightnessdark (29%)
Chromaclose to neutral grey (0.028)
Temperatureneutral
Nearest nameJet (#212529)
Black text1.50:1
White text13.93:1

Values

HEX#1B302D
RGBrgb(27, 48, 45)
HSLhsl(171, 28%, 15%)
OKLCHoklch(29% 0.028 184.4)

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 #1B302D 13.93:1 AAA Lc -103.6 Preferred for body text
Black text on #1B302D 1.50:1 Fails Lc 0.0 Not readable
#1B302D text on white 13.93:1 AAA Lc 100.5 Preferred for body text
#1B302D text on black 1.50:1 Fails Lc 0.0 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 950.

  1. Step 50

    50

    #F2F6F6

    oklch(97% 0.004 197.1)

  2. Step 100

    100

    #E3ECEA

    oklch(93.6% 0.01 181.4)

  3. Step 200

    200

    #CDDDDA

    oklch(88.5% 0.018 183.5)

  4. Step 300

    300

    #AAC8C3

    oklch(80.9% 0.033 184.4)

  5. Step 400

    400

    #7CACA4

    oklch(70.8% 0.053 183.4)

  6. Step 500

    500

    #58978E

    oklch(63.1% 0.067 184.1)

  7. Step 600

    600

    #3A8178

    oklch(55.5% 0.073 184.3)

  8. Step 700

    700

    #2C6D65

    oklch(49% 0.067 184.3)

  9. Step 800

    800

    #265953

    oklch(42.7% 0.056 185.1)

  10. Step 900

    900

    #244944

    oklch(37.6% 0.044 184.3)

  11. Step 950

    950 (this color)

    #1B302D

    oklch(29% 0.028 184.4)

Export this scale for Tailwind in the Tailwind colors tool

#1B302D 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)#2E2E2D0.029
Deuteranopia (no green cones)#2A2B2D0.027
Tritanopia (no blue cones)#14312F0.008
Achromatopsia (no color)#2C2C2C0.028

Harmonies

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

Complementary

The opposite hue (180°).

  • #1B302D

    #1B302D

    oklch(29% 0.028 184.4)

  • #38262A

    #38262A

    oklch(29.2% 0.028 4.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1B302D

    #1B302D

    oklch(29% 0.028 184.4)

  • #213025

    #213025

    oklch(29.2% 0.028 152.7)

  • #1B2F34

    #1B2F34

    oklch(29% 0.027 215.3)

Open the analogous palette in the generator

Split complementary

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

  • #1B302D

    #1B302D

    oklch(29% 0.028 184.4)

  • #342631

    #342631

    oklch(28.9% 0.028 334)

  • #382722

    #382722

    oklch(29.1% 0.027 37)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1B302D

    #1B302D

    oklch(29% 0.028 184.4)

  • #2E2837

    #2E2837

    oklch(29% 0.028 302.9)

  • #35291D

    #35291D

    oklch(29.1% 0.027 66.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1B302D

    #1B302D

    oklch(29% 0.028 184.4)

  • #272B39

    #272B39

    oklch(29.1% 0.026 272.3)

  • #38262A

    #38262A

    oklch(29.2% 0.028 4.3)

  • #302B1B

    #302B1B

    oklch(29% 0.028 92.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1B302D, closest first.

Similar named colors

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

Use #1B302D 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.