#081638
Closest named color: Navy Blue (#001146). oklch(21.2% 0.069 264.3), rgb(8, 22, 56).
Aa
White text reads best on this color (17.76:1).
About this color
#081638 is a very dark, muted blue. In OKLCH its lightness is 21%, its chroma 0.069 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.033 away. White text reads best on it, at 17.76:1.
| Hue family | Blues |
| Lightness | very dark (21%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.18:1 |
| White text | 17.76:1 |
Values
| HEX | #081638 |
| RGB | rgb(8, 22, 56) |
| HSL | hsl(223, 75%, 13%) |
| OKLCH | oklch(21.2% 0.069 264.3) |
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 #081638 | 17.76:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #081638 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #081638 text on white | 17.76:1 | AAA | Lc 104.4 | Preferred for body text |
| #081638 text on black | 1.18:1 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CAD9F8
oklch(88.4% 0.046 264.9)
-
Step 300
300
#A6C1F6
oklch(81% 0.081 263.6)
-
Step 400
400
#779EF2
oklch(70.6% 0.131 264.4)
-
Step 500
500
#5583EE
oklch(63% 0.168 264.6)
-
Step 600
600
#3B6ADC
oklch(55.6% 0.182 264.4)
-
Step 700
700
#2E58BF
oklch(49.2% 0.169 264.3)
-
Step 800
800
#26489A
oklch(42.6% 0.14 264.3)
-
Step 900
900
#233E7B
oklch(37.8% 0.109 264)
-
Step 950
950 (this color)
#081638
oklch(21.2% 0.069 264.3)
#081638 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) | #021A39 | 0.014 |
| Deuteranopia (no green cones) | #001637 | 0.012 |
| Tritanopia (no blue cones) | #001E24 | 0.054 |
| Achromatopsia (no color) | #181818 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #081638
#081638
oklch(21.2% 0.069 264.3)
- #221700
#221700
oklch(21.3% 0.044 85.3)
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 #081638, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.033
- Rich Black #0D1B2A ΔE 0.036
- Night Blue #040348 ΔE 0.055
- Dark Navy #000435 ΔE 0.058
- Dark #1B2431 ΔE 0.062
- Oxford Blue #1B263B ΔE 0.063
- Rich Navy #001219 ΔE 0.066
- Dark Indigo #1F0954 ΔE 0.068
Use #081638 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.