#09101E
Closest named color: Rich Navy (#001219). oklch(17.4% 0.031 263.2), rgb(9, 16, 30).
Aa
White text reads best on this color (19.01:1).
About this color
#09101E is a very dark, muted blue. In OKLCH its lightness is 17%, its chroma 0.031 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.022 away. White text reads best on it, at 19.01:1.
| Hue family | Blues |
| Lightness | very dark (17%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.10:1 |
| White text | 19.01:1 |
Values
| HEX | #09101E |
| RGB | rgb(9, 16, 30) |
| HSL | hsl(220, 54%, 8%) |
| OKLCH | oklch(17.4% 0.031 263.2) |
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 #09101E | 19.01:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #09101E | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #09101E text on white | 19.01:1 | AAA | Lc 105.4 | Preferred for body text |
| #09101E text on black | 1.10:1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D2D9E7
oklch(88.4% 0.021 264.5)
-
Step 300
300
#B4C1D9
oklch(80.9% 0.037 262.8)
-
Step 400
400
#8DA1C6
oklch(70.7% 0.059 262.6)
-
Step 500
500
#7189B8
oklch(63% 0.077 263.4)
-
Step 600
600
#5A73A4
oklch(55.7% 0.082 263.2)
-
Step 700
700
#4A608C
oklch(49.1% 0.076 263.5)
-
Step 800
800
#3D4F72
oklch(42.8% 0.063 263.1)
-
Step 900
900
#34415C
oklch(37.6% 0.05 264.3)
-
Step 950
950 (this color)
#09101E
oklch(17.4% 0.031 263.2)
#09101E 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) | #0B111F | 0.006 |
| Deuteranopia (no green cones) | #080F1E | 0.004 |
| Tritanopia (no blue cones) | #021315 | 0.028 |
| Achromatopsia (no color) | #101010 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #09101E
#09101E
oklch(17.4% 0.031 263.2)
- #170F02
#170F02
oklch(17.5% 0.03 82.4)
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 #09101E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.022
- Almost Black #070D0D ΔE 0.036
- Rich Black #0D1B2A ΔE 0.044
- Midnight #03012D ΔE 0.065
- Dark Navy #000435 ΔE 0.066
- Dark Navy Blue #00022E ΔE 0.066
- Very Dark Blue #000133 ΔE 0.072
- Navy Blue #001146 ΔE 0.080
Use #09101E 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.