#2B2533
Closest named color: Jet (#212529). oklch(27.7% 0.027 304.2), rgb(43, 37, 51).
Aa
White text reads best on this color (14.83:1).
About this color
#2B2533 is a dark close to neutral grey. In OKLCH its lightness is 28%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.027 away. White text reads best on it, at 14.83:1.
| Hue family | Neutrals |
| Lightness | dark (28%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.41:1 |
| White text | 14.83:1 |
Values
| HEX | #2B2533 |
| RGB | rgb(43, 37, 51) |
| HSL | hsl(266, 16%, 17%) |
| OKLCH | oklch(27.7% 0.027 304.2) |
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 #2B2533 | 14.83:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #2B2533 | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #2B2533 text on white | 14.83:1 | AAA | Lc 101.7 | Preferred for body text |
| #2B2533 text on black | 1.41:1 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#EBE8EF
oklch(93.5% 0.01 305.4)
-
Step 200
200
#DBD6E3
oklch(88.4% 0.018 303.4)
-
Step 300
300
#C5BCD2
oklch(80.9% 0.032 304.2)
-
Step 400
400
#A799BB
oklch(70.6% 0.051 303.8)
-
Step 500
500
#9280AA
oklch(63.1% 0.065 304.1)
-
Step 600
600
#7C6995
oklch(55.6% 0.07 304)
-
Step 700
700
#69577F
oklch(49% 0.066 304.7)
-
Step 800
800
#554867
oklch(42.7% 0.053 303.4)
-
Step 900
900
#463C54
oklch(37.6% 0.042 303.5)
-
Step 950
950 (this color)
#2B2533
oklch(27.7% 0.027 304.2)
#2B2533 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) | #222734 | 0.016 |
| Deuteranopia (no green cones) | #242833 | 0.015 |
| Tritanopia (no blue cones) | #2A272A | 0.020 |
| Achromatopsia (no color) | #282828 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B2533
#2B2533
oklch(27.7% 0.027 304.2)
- #252B1C
#252B1C
oklch(27.8% 0.028 125.9)
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 #2B2533, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.027
- Dark #1B2431 ΔE 0.029
- Oxford Blue #1B263B ΔE 0.030
- Space Cadet #2B2D42 ΔE 0.033
- Gunmetal #293241 ΔE 0.044
- Rich Black #0D1B2A ΔE 0.066
- Onyx #343A40 ΔE 0.071
- Prussian Blue #1D3557 ΔE 0.073
Use #2B2533 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.