#212534
Closest named color: Dark (#1B2431). oklch(26.7% 0.029 272.8), rgb(33, 37, 52).
Aa
White text reads best on this color (15.22:1).
About this color
#212534 is a dark close to neutral grey. In OKLCH its lightness is 27%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Dark (#1B2431), ΔE 0.012 away. White text reads best on it, at 15.22:1.
| Hue family | Neutrals |
| Lightness | dark (27%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Dark (#1B2431) |
| Black text | 1.37:1 |
| White text | 15.22:1 |
Values
| HEX | #212534 |
| RGB | rgb(33, 37, 52) |
| HSL | hsl(227, 22%, 17%) |
| OKLCH | oklch(26.7% 0.029 272.8) |
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 #212534 | 15.22:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #212534 | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #212534 text on white | 15.22:1 | AAA | Lc 102.1 | Preferred for body text |
| #212534 text on black | 1.37:1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D5D9E6
oklch(88.6% 0.018 272.3)
-
Step 300
300
#B9C0D7
oklch(81% 0.033 272.2)
-
Step 400
400
#959FC3
oklch(70.7% 0.054 272.8)
-
Step 500
500
#7B87B4
oklch(63.1% 0.069 272.7)
-
Step 600
600
#6470A0
oklch(55.5% 0.076 272.9)
-
Step 700
700
#535E89
oklch(49.1% 0.07 272.6)
-
Step 800
800
#444D6F
oklch(42.7% 0.058 272.4)
-
Step 900
900
#39405A
oklch(37.7% 0.046 272.4)
-
Step 950
950 (this color)
#212534
oklch(26.7% 0.029 272.8)
#212534 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) | #202635 | 0.004 |
| Deuteranopia (no green cones) | #1F2534 | 0.003 |
| Tritanopia (no blue cones) | #1C282A | 0.026 |
| Achromatopsia (no color) | #262626 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #212534
#212534
oklch(26.7% 0.029 272.8)
- #2B2615
#2B2615
oklch(26.9% 0.03 93.6)
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 #212534, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.012
- Oxford Blue #1B263B ΔE 0.015
- Jet #212529 ΔE 0.021
- Space Cadet #2B2D42 ΔE 0.039
- Gunmetal #293241 ΔE 0.048
- Rich Black #0D1B2A ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.073
- Midnight Green #073B4C ΔE 0.076
Use #212534 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.