#2B1F2B
Closest named color: Jet (#212529). oklch(25.9% 0.028 326.4), rgb(43, 31, 43).
Aa
White text reads best on this color (15.74:1).
About this color
#2B1F2B is a dark close to neutral grey. In OKLCH its lightness is 26%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.028 away. White text reads best on it, at 15.74:1.
| Hue family | Neutrals |
| Lightness | dark (26%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.33:1 |
| White text | 15.74:1 |
Values
| HEX | #2B1F2B |
| RGB | rgb(43, 31, 43) |
| HSL | hsl(300, 16%, 15%) |
| OKLCH | oklch(25.9% 0.028 326.4) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #2B1F2B | 15.74:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #2B1F2B | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #2B1F2B text on white | 15.74:1 | AAA | Lc 102.7 | Preferred for body text |
| #2B1F2B text on black | 1.33:1 | 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EDE8ED
oklch(93.6% 0.009 325.6)
-
Step 200
200
#E0D5E0
oklch(88.5% 0.019 325.7)
-
Step 300
300
#CDBACC
oklch(81% 0.033 327.5)
-
Step 400
400
#B395B2
oklch(70.6% 0.054 327.2)
-
Step 500
500
#A07BA0
oklch(63.1% 0.069 326.4)
-
Step 600
600
#8A648A
oklch(55.6% 0.073 326.5)
-
Step 700
700
#755376
oklch(49.1% 0.069 325.6)
-
Step 800
800
#5F4460
oklch(42.7% 0.057 325.3)
-
Step 900
900
#4E394E
oklch(37.6% 0.045 326.4)
-
Step 950
950 (this color)
#2B1F2B
oklch(25.9% 0.028 326.4)
#2B1F2B 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) | #1E222B | 0.026 |
| Deuteranopia (no green cones) | #21232B | 0.022 |
| Tritanopia (no blue cones) | #2C2023 | 0.017 |
| Achromatopsia (no color) | #232323 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B1F2B
#2B1F2B
oklch(25.9% 0.028 326.4)
- #1B271C
#1B271C
oklch(25.8% 0.026 146.9)
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 #2B1F2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.028
- Dark #1B2431 ΔE 0.032
- Oxford Blue #1B263B ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.054
- Rich Black #0D1B2A ΔE 0.057
- Dark Brown #341C02 ΔE 0.065
- Gunmetal #293241 ΔE 0.065
- Eggplant #380835 ΔE 0.068
Use #2B1F2B 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.