#282534
Closest named color: Dark (#1B2431). oklch(27.4% 0.028 293.7), rgb(40, 37, 52).
Aa
White text reads best on this color (14.95:1).
About this color
#282534 is a dark close to neutral grey. In OKLCH its lightness is 27%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Dark (#1B2431), ΔE 0.024 away. White text reads best on it, at 14.95:1.
| Hue family | Neutrals |
| Lightness | dark (27%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Dark (#1B2431) |
| Black text | 1.40:1 |
| White text | 14.95:1 |
Values
| HEX | #282534 |
| RGB | rgb(40, 37, 52) |
| HSL | hsl(252, 17%, 17%) |
| OKLCH | oklch(27.4% 0.028 293.7) |
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 #282534 | 14.95:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #282534 | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #282534 text on white | 14.95:1 | AAA | Lc 101.8 | Preferred for body text |
| #282534 text on black | 1.40:1 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#EAE9F0
oklch(93.7% 0.009 292.8)
-
Step 200
200
#D9D7E4
oklch(88.5% 0.018 293.1)
-
Step 300
300
#C1BDD4
oklch(80.9% 0.032 293.6)
-
Step 400
400
#A29BBF
oklch(70.8% 0.052 293.9)
-
Step 500
500
#8B82AF
oklch(63.1% 0.067 293.5)
-
Step 600
600
#756B9A
oklch(55.5% 0.073 293.7)
-
Step 700
700
#625984
oklch(49% 0.069 293.3)
-
Step 800
800
#50496B
oklch(42.7% 0.056 293.3)
-
Step 900
900
#423D57
oklch(37.6% 0.044 293)
-
Step 950
950 (this color)
#282534
oklch(27.4% 0.028 293.7)
#282534 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) | #222735 | 0.012 |
| Deuteranopia (no green cones) | #222734 | 0.012 |
| Tritanopia (no blue cones) | #26272A | 0.023 |
| Achromatopsia (no color) | #272727 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282534
#282534
oklch(27.4% 0.028 293.7)
- #272919
#272919
oklch(27.4% 0.028 114.1)
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 #282534, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.024
- Oxford Blue #1B263B ΔE 0.024
- Jet #212529 ΔE 0.025
- Space Cadet #2B2D42 ΔE 0.033
- Gunmetal #293241 ΔE 0.044
- Rich Black #0D1B2A ΔE 0.062
- Prussian Blue #1D3557 ΔE 0.072
- Onyx #343A40 ΔE 0.074
Use #282534 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.