#081538
Closest named color: Navy Blue (#001146). oklch(20.9% 0.071 265.2), rgb(8, 21, 56).
Aa
White text reads best on this color (17.87:1).
About this color
#081538 is a very dark, moderately saturated blue. In OKLCH its lightness is 21%, its chroma 0.071 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.032 away. White text reads best on it, at 17.87:1.
| Hue family | Blues |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.17:1 |
| White text | 17.87:1 |
Values
| HEX | #081538 |
| RGB | rgb(8, 21, 56) |
| HSL | hsl(224, 75%, 13%) |
| OKLCH | oklch(20.9% 0.071 265.2) |
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 #081538 | 17.87:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #081538 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #081538 text on white | 17.87:1 | AAA | Lc 104.4 | Preferred for body text |
| #081538 text on black | 1.17:1 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E2EAFB
oklch(93.6% 0.025 265.6)
-
Step 200
200
#CAD9F9
oklch(88.4% 0.047 265.5)
-
Step 300
300
#A6C0F8
oklch(80.8% 0.085 265.2)
-
Step 400
400
#789EF4
oklch(70.8% 0.133 265.1)
-
Step 500
500
#5682F0
oklch(63% 0.172 265.4)
-
Step 600
600
#3D69DE
oklch(55.6% 0.185 265.3)
-
Step 700
700
#2F57C1
oklch(49.2% 0.172 265)
-
Step 800
800
#28479C
oklch(42.6% 0.144 265.5)
-
Step 900
900
#243D7C
oklch(37.7% 0.111 265.2)
-
Step 950
950 (this color)
#081538
oklch(20.9% 0.071 265.2)
#081538 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) | #011A39 | 0.017 |
| Deuteranopia (no green cones) | #001537 | 0.012 |
| Tritanopia (no blue cones) | #001D23 | 0.056 |
| Achromatopsia (no color) | #171717 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #081538
#081538
oklch(20.9% 0.071 265.2)
- #211600
#211600
oklch(20.9% 0.043 84.6)
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 #081538, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.032
- Rich Black #0D1B2A ΔE 0.038
- Night Blue #040348 ΔE 0.053
- Dark Navy #000435 ΔE 0.055
- Dark #1B2431 ΔE 0.065
- Rich Navy #001219 ΔE 0.066
- Oxford Blue #1B263B ΔE 0.066
- Very Dark Blue #000133 ΔE 0.067
Use #081538 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.