#281C23
Closest named color: Jet (#212529). oklch(24.4% 0.022 343), rgb(40, 28, 35).
Aa
White text reads best on this color (16.39:1).
About this color
#281C23 is a very dark close to neutral grey. In OKLCH its lightness is 24%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.031 away. White text reads best on it, at 16.39:1.
| Hue family | Neutrals |
| Lightness | very dark (24%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.28:1 |
| White text | 16.39:1 |
Values
| HEX | #281C23 |
| RGB | rgb(40, 28, 35) |
| HSL | hsl(325, 18%, 13%) |
| OKLCH | oklch(24.4% 0.022 343) |
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 #281C23 | 16.39:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #281C23 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #281C23 text on white | 16.39:1 | AAA | Lc 103.3 | Preferred for body text |
| #281C23 text on black | 1.28:1 | 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
#F7F4F6
oklch(97% 0.004 337.4)
-
Step 100
100
#EEE8EB
oklch(93.7% 0.008 345.4)
-
Step 200
200
#E1D5DC
oklch(88.5% 0.016 341.4)
-
Step 300
300
#CEBAC5
oklch(80.9% 0.027 343.4)
-
Step 400
400
#B496A8
oklch(70.6% 0.043 341.6)
-
Step 500
500
#A27D92
oklch(63.2% 0.054 343.7)
-
Step 600
600
#8C667C
oklch(55.6% 0.058 343.5)
-
Step 700
700
#775469
oklch(49% 0.055 342.6)
-
Step 800
800
#614556
oklch(42.7% 0.046 342.2)
-
Step 900
900
#4F3A47
oklch(37.6% 0.036 341.3)
-
Step 950
950 (this color)
#281C23
oklch(24.4% 0.022 343)
#281C23 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) | #1D1E23 | 0.022 |
| Deuteranopia (no green cones) | #1F2023 | 0.021 |
| Tritanopia (no blue cones) | #2A1C1E | 0.010 |
| Achromatopsia (no color) | #1F1F1F | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281C23
#281C23
oklch(24.4% 0.022 343)
- #16241D
#16241D
oklch(24.5% 0.024 162.3)
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 #281C23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.031
- Dark #1B2431 ΔE 0.037
- Rich Black #0D1B2A ΔE 0.050
- Oxford Blue #1B263B ΔE 0.051
- Dark Brown #341C02 ΔE 0.056
- Space Cadet #2B2D42 ΔE 0.070
- Chocolate Brown #411900 ΔE 0.071
- Eggplant #380835 ΔE 0.073
Use #281C23 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.