#081021
Closest named color: Rich Navy (#001219). oklch(17.6% 0.038 263.7), rgb(8, 16, 33).
Aa
White text reads best on this color (18.98:1).
About this color
#081021 is a very dark, muted blue. In OKLCH its lightness is 18%, its chroma 0.038 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.026 away. White text reads best on it, at 18.98:1.
| Hue family | Blues |
| Lightness | very dark (18%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.10:1 |
| White text | 18.98:1 |
Values
| HEX | #081021 |
| RGB | rgb(8, 16, 33) |
| HSL | hsl(221, 61%, 8%) |
| OKLCH | oklch(17.6% 0.038 263.7) |
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 #081021 | 18.98:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #081021 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #081021 text on white | 18.98:1 | AAA | Lc 105.4 | Preferred for body text |
| #081021 text on black | 1.10:1 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D1D9EA
oklch(88.4% 0.025 265.6)
-
Step 300
300
#B2C1DE
oklch(80.9% 0.044 263.6)
-
Step 400
400
#8AA1CE
oklch(70.8% 0.071 263.6)
-
Step 500
500
#6D89C1
oklch(63.1% 0.091 263.6)
-
Step 600
600
#5572AD
oklch(55.6% 0.098 263.6)
-
Step 700
700
#455F95
oklch(49% 0.093 263.8)
-
Step 800
800
#394E79
oklch(42.7% 0.077 263.7)
-
Step 900
900
#314161
oklch(37.7% 0.059 263.5)
-
Step 950
950 (this color)
#081021
oklch(17.6% 0.038 263.7)
#081021 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) | #091222 | 0.008 |
| Deuteranopia (no green cones) | #060F21 | 0.006 |
| Tritanopia (no blue cones) | #001416 | 0.035 |
| Achromatopsia (no color) | #101010 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #081021
#081021
oklch(17.6% 0.038 263.7)
- #180F00
#180F00
oklch(17.6% 0.036 84.2)
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 #081021, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.026
- Almost Black #070D0D ΔE 0.042
- Rich Black #0D1B2A ΔE 0.043
- Dark Navy #000435 ΔE 0.060
- Midnight #03012D ΔE 0.061
- Dark Navy Blue #00022E ΔE 0.062
- Very Dark Blue #000133 ΔE 0.067
- Navy Blue #001146 ΔE 0.073
Use #081021 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.