#081525
Closest named color: Rich Black (#0D1B2A). oklch(19.3% 0.038 254.3), rgb(8, 21, 37).
Aa
White text reads best on this color (18.35:1).
About this color
#081525 is a very dark, muted blue. In OKLCH its lightness is 19%, its chroma 0.038 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.025 away. White text reads best on it, at 18.35:1.
| Hue family | Blues |
| Lightness | very dark (19%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.14:1 |
| White text | 18.35:1 |
Values
| HEX | #081525 |
| RGB | rgb(8, 21, 37) |
| HSL | hsl(213, 64%, 9%) |
| OKLCH | oklch(19.3% 0.038 254.3) |
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 #081525 | 18.35:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #081525 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #081525 text on white | 18.35:1 | AAA | Lc 104.9 | Preferred for body text |
| #081525 text on black | 1.14:1 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CEDAEA
oklch(88.4% 0.026 255.6)
-
Step 300
300
#AEC3DD
oklch(81% 0.043 253.8)
-
Step 400
400
#82A3CD
oklch(70.6% 0.072 254.7)
-
Step 500
500
#628CC0
oklch(63.1% 0.092 254.3)
-
Step 600
600
#4975AC
oklch(55.5% 0.099 254.7)
-
Step 700
700
#3A6294
oklch(49% 0.093 254.8)
-
Step 800
800
#305078
oklch(42.6% 0.077 254.7)
-
Step 900
900
#2B4361
oklch(37.8% 0.06 254.6)
-
Step 950
950 (this color)
#081525
oklch(19.3% 0.038 254.3)
#081525 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) | #0E1626 | 0.010 |
| Deuteranopia (no green cones) | #0A1325 | 0.007 |
| Tritanopia (no blue cones) | #00191B | 0.032 |
| Achromatopsia (no color) | #141414 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #081525
#081525
oklch(19.3% 0.038 254.3)
- #1E1201
#1E1201
oklch(19.4% 0.038 77.3)
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 #081525, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.025
- Rich Navy #001219 ΔE 0.031
- Almost Black #070D0D ΔE 0.053
- Dark #1B2431 ΔE 0.065
- Navy Blue #001146 ΔE 0.067
- Dark Navy #000435 ΔE 0.068
- Dark Navy Blue #00022E ΔE 0.073
- Midnight #03012D ΔE 0.074
Use #081525 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.