#271B1B
Closest named color: Jet (#212529). oklch(23.7% 0.019 18.6), rgb(39, 27, 27).
Aa
White text reads best on this color (16.68:1).
About this color
#271B1B is a very dark close to neutral grey. In OKLCH its lightness is 24%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.036 away. White text reads best on it, at 16.68:1.
| Hue family | Neutrals |
| Lightness | very dark (24%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.25:1 |
| White text | 16.68:1 |
Values
| HEX | #271B1B |
| RGB | rgb(39, 27, 27) |
| HSL | hsl(0, 18%, 13%) |
| OKLCH | oklch(23.7% 0.019 18.6) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #271B1B | 16.68:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #271B1B | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #271B1B text on white | 16.68:1 | AAA | Lc 103.6 | Preferred for body text |
| #271B1B text on black | 1.25:1 | 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.
-
Step 50
50
#F7F5F5
oklch(97.2% 0.002 17.2)
-
Step 100
100
#EEE8E8
oklch(93.6% 0.007 17.3)
-
Step 200
200
#E1D6D6
oklch(88.5% 0.012 17.4)
-
Step 300
300
#CFBBBB
oklch(80.9% 0.023 17.6)
-
Step 400
400
#B69898
oklch(70.7% 0.036 18)
-
Step 500
500
#A47F7F
oklch(63.2% 0.046 18.4)
-
Step 600
600
#8F6868
oklch(55.7% 0.05 18.8)
-
Step 700
700
#795656
oklch(49% 0.047 18.9)
-
Step 800
800
#634747
oklch(42.8% 0.039 18.8)
-
Step 900
900
#513B3B
oklch(37.7% 0.031 18.6)
-
Step 950
950 (this color)
#271B1B
oklch(23.7% 0.019 18.6)
#271B1B 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #1D1D1B | 0.021 |
| Deuteranopia (no green cones) | #201F1B | 0.019 |
| Tritanopia (no blue cones) | #2A1A1B | 0.007 |
| Achromatopsia (no color) | #1E1E1E | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #271B1B
#271B1B
oklch(23.7% 0.019 18.6)
- #142122
#142122
oklch(23.6% 0.018 202)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #271B1B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.036
- Dark #1B2431 ΔE 0.046
- Dark Brown #341C02 ΔE 0.046
- Rich Black #0D1B2A ΔE 0.053
- Oxford Blue #1B263B ΔE 0.062
- Chocolate Brown #411900 ΔE 0.065
- Dark Maroon #3C0008 ΔE 0.072
- Deep Brown #410200 ΔE 0.076
Use #271B1B 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.