#091D3D
Closest named color: Rich Black (#0D1B2A). oklch(23.5% 0.067 259.5), rgb(9, 29, 61).
Aa
White text reads best on this color (16.73:1).
About this color
#091D3D is a very dark, muted blue. In OKLCH its lightness is 24%, its chroma 0.067 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.036 away. White text reads best on it, at 16.73:1.
| Hue family | Blues |
| Lightness | very dark (24%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.25:1 |
| White text | 16.73:1 |
Values
| HEX | #091D3D |
| RGB | rgb(9, 29, 61) |
| HSL | hsl(217, 74%, 14%) |
| OKLCH | oklch(23.5% 0.067 259.5) |
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 #091D3D | 16.73:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #091D3D | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #091D3D text on white | 16.73:1 | AAA | Lc 103.5 | Preferred for body text |
| #091D3D text on black | 1.25:1 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EBFA
oklch(93.7% 0.023 258.4)
-
Step 200
200
#C8DAF7
oklch(88.4% 0.045 259.9)
-
Step 300
300
#A3C2F4
oklch(80.9% 0.079 259.9)
-
Step 400
400
#70A1EF
oklch(70.7% 0.127 259.4)
-
Step 500
500
#4A87E9
oklch(63.1% 0.161 259.5)
-
Step 600
600
#2B6ED8
oklch(55.5% 0.176 259.5)
-
Step 700
700
#1E5CBB
oklch(49.2% 0.163 259.3)
-
Step 800
800
#1B4B97
oklch(42.6% 0.135 259.5)
-
Step 900
900
#1C4078
oklch(37.7% 0.104 259.1)
-
Step 950
950 (this color)
#091D3D
oklch(23.5% 0.067 259.5)
#091D3D 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) | #0C203E | 0.011 |
| Deuteranopia (no green cones) | #031B3C | 0.011 |
| Tritanopia (no blue cones) | #00252A | 0.053 |
| Achromatopsia (no color) | #1E1E1E | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #091D3D
#091D3D
oklch(23.5% 0.067 259.5)
- #2A1B00
#2A1B00
oklch(23.5% 0.049 80)
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 #091D3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.036
- Oxford Blue #1B263B ΔE 0.042
- Navy Blue #001146 ΔE 0.044
- Dark #1B2431 ΔE 0.045
- Jet #212529 ΔE 0.063
- Dark Indigo #1F0954 ΔE 0.069
- Night Blue #040348 ΔE 0.071
- Space Cadet #2B2D42 ΔE 0.077
Use #091D3D 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.