#081821
Closest named color: Rich Black (#0D1B2A). oklch(20% 0.028 235.1), rgb(8, 24, 33).
Aa
White text reads best on this color (18.05:1).
About this color
#081821 is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.021 away. White text reads best on it, at 18.05:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.16:1 |
| White text | 18.05:1 |
Values
| HEX | #081821 |
| RGB | rgb(8, 24, 33) |
| HSL | hsl(202, 61%, 8%) |
| OKLCH | oklch(20% 0.028 235.1) |
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 #081821 | 18.05:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #081821 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #081821 text on white | 18.05:1 | AAA | Lc 104.7 | Preferred for body text |
| #081821 text on black | 1.16:1 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDBE4
oklch(88.4% 0.019 237.8)
-
Step 300
300
#ADC5D4
oklch(81% 0.034 235.3)
-
Step 400
400
#80A7BE
oklch(70.8% 0.054 234.4)
-
Step 500
500
#5F90AD
oklch(63% 0.069 235.4)
-
Step 600
600
#447A99
oklch(55.5% 0.075 235.5)
-
Step 700
700
#366783
oklch(49.2% 0.07 235.6)
-
Step 800
800
#2D546A
oklch(42.7% 0.057 235)
-
Step 900
900
#294556
oklch(37.6% 0.045 236.3)
-
Step 950
950 (this color)
#081821
oklch(20% 0.028 235.1)
#081821 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) | #141821 | 0.018 |
| Deuteranopia (no green cones) | #101521 | 0.015 |
| Tritanopia (no blue cones) | #001A1B | 0.020 |
| Achromatopsia (no color) | #161616 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #081821
#081821
oklch(20% 0.028 235.1)
- #201209
#201209
oklch(19.9% 0.029 53.2)
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 #081821, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.021
- Rich Navy #001219 ΔE 0.032
- Almost Black #070D0D ΔE 0.052
- Dark #1B2431 ΔE 0.059
- Jet #212529 ΔE 0.065
- Oxford Blue #1B263B ΔE 0.073
- Navy Blue #001146 ΔE 0.079
- Dark Navy #000435 ΔE 0.082
Use #081821 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.