#081528
Closest named color: Rich Black (#0D1B2A). oklch(19.6% 0.043 257.7), rgb(8, 21, 40).
Aa
White text reads best on this color (18.28:1).
About this color
#081528 is a very dark, muted blue. In OKLCH its lightness is 20%, its chroma 0.043 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.024 away. White text reads best on it, at 18.28:1.
| Hue family | Blues |
| Lightness | very dark (20%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.14:1 |
| White text | 18.28:1 |
Values
| HEX | #081528 |
| RGB | rgb(8, 21, 40) |
| HSL | hsl(216, 67%, 9%) |
| OKLCH | oklch(19.6% 0.043 257.7) |
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 #081528 | 18.28:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #081528 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #081528 text on white | 18.28:1 | AAA | Lc 104.9 | Preferred for body text |
| #081528 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CEDAEC
oklch(88.5% 0.028 258.4)
-
Step 300
300
#ADC2E2
oklch(80.9% 0.051 258.7)
-
Step 400
400
#81A2D3
oklch(70.6% 0.081 258.1)
-
Step 500
500
#618BC8
oklch(63.2% 0.104 257.7)
-
Step 600
600
#4774B4
oklch(55.6% 0.112 257.3)
-
Step 700
700
#38619B
oklch(49.1% 0.104 257.3)
-
Step 800
800
#2F4F7E
oklch(42.6% 0.087 257.9)
-
Step 900
900
#2A4265
oklch(37.7% 0.067 257.7)
-
Step 950
950 (this color)
#081528
oklch(19.6% 0.043 257.7)
#081528 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) | #0D1629 | 0.009 |
| Deuteranopia (no green cones) | #081328 | 0.007 |
| Tritanopia (no blue cones) | #00191C | 0.035 |
| Achromatopsia (no color) | #151515 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #081528
#081528
oklch(19.6% 0.043 257.7)
- #1F1200
#1F1200
oklch(19.5% 0.041 77.1)
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 #081528, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.024
- Rich Navy #001219 ΔE 0.036
- Almost Black #070D0D ΔE 0.058
- Navy Blue #001146 ΔE 0.061
- Dark Navy #000435 ΔE 0.064
- Dark #1B2431 ΔE 0.064
- Dark Navy Blue #00022E ΔE 0.071
- Midnight #03012D ΔE 0.071
Use #081528 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.