#090A1F
Closest named color: Rich Navy (#001219). oklch(15.8% 0.044 278), rgb(9, 10, 31).
Aa
White text reads best on this color (19.53:1).
About this color
#090A1F is a very dark, muted blue. In OKLCH its lightness is 16%, its chroma 0.044 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.038 away. White text reads best on it, at 19.53:1.
| Hue family | Blues |
| Lightness | very dark (16%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.07:1 |
| White text | 19.53:1 |
Values
| HEX | #090A1F |
| RGB | rgb(9, 10, 31) |
| HSL | hsl(237, 55%, 8%) |
| OKLCH | oklch(15.8% 0.044 278) |
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 #090A1F | 19.53:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #090A1F | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #090A1F text on white | 19.53:1 | AAA | Lc 105.7 | Preferred for body text |
| #090A1F text on black | 1.07:1 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D4D8ED
oklch(88.6% 0.029 277.2)
-
Step 300
300
#B8BEE2
oklch(80.9% 0.051 277.7)
-
Step 400
400
#949CD4
oklch(70.7% 0.082 277.8)
-
Step 500
500
#7B82C9
oklch(63% 0.107 278.6)
-
Step 600
600
#646BB5
oklch(55.6% 0.114 277.9)
-
Step 700
700
#53599C
oklch(49.1% 0.107 277.8)
-
Step 800
800
#44497F
oklch(42.7% 0.089 277.9)
-
Step 900
900
#393D66
oklch(37.6% 0.07 278.2)
-
Step 950
950 (this color)
#090A1F
oklch(15.8% 0.044 278)
#090A1F 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) | #030D20 | 0.015 |
| Deuteranopia (no green cones) | #020B1F | 0.016 |
| Tritanopia (no blue cones) | #020F12 | 0.040 |
| Achromatopsia (no color) | #0C0C0C | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #090A1F
#090A1F
oklch(15.8% 0.044 278)
- #110D00
#110D00
oklch(15.9% 0.033 97.6)
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 #090A1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.038
- Almost Black #070D0D ΔE 0.044
- Midnight #03012D ΔE 0.048
- Dark Navy Blue #00022E ΔE 0.051
- Dark Navy #000435 ΔE 0.054
- Very Dark Blue #000133 ΔE 0.058
- Rich Black #0D1B2A ΔE 0.063
- Navy Blue #001146 ΔE 0.080
Use #090A1F 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.