#091D4A
Closest named color: Navy Blue (#001146). oklch(24.7% 0.088 263.3), rgb(9, 29, 74).
Aa
White text reads best on this color (16.32:1).
About this color
#091D4A is a very dark, moderately saturated blue. In OKLCH its lightness is 25%, its chroma 0.088 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.039 away. White text reads best on it, at 16.32:1.
| Hue family | Blues |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.28:1 |
| White text | 16.32:1 |
Values
| HEX | #091D4A |
| RGB | rgb(9, 29, 74) |
| HSL | hsl(222, 78%, 16%) |
| OKLCH | oklch(24.7% 0.088 263.3) |
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 #091D4A | 16.32:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #091D4A | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #091D4A text on white | 16.32:1 | AAA | Lc 103.0 | Preferred for body text |
| #091D4A text on black | 1.28:1 | 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#DFEAFF
oklch(93.5% 0.031 263.5)
-
Step 200
200
#C6DAFF
oklch(88.5% 0.056 262.8)
-
Step 300
300
#A1C1FF
oklch(81% 0.095 263.3)
-
Step 400
400
#6E9DFF
oklch(70.6% 0.153 263.6)
-
Step 500
500
#4781FF
oklch(63.2% 0.197 263.3)
-
Step 600
600
#2363F7
oklch(55.6% 0.231 263.2)
-
Step 700
700
#1750D8
oklch(49% 0.216 263.3)
-
Step 800
800
#1543AE
oklch(42.7% 0.178 263.3)
-
Step 900
900
#173A8A
oklch(37.6% 0.14 263.4)
-
Step 950
950 (this color)
#091D4A
oklch(24.7% 0.088 263.3)
#091D4A 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) | #00234C | 0.018 |
| Deuteranopia (no green cones) | #001D49 | 0.010 |
| Tritanopia (no blue cones) | #002830 | 0.068 |
| Achromatopsia (no color) | #202020 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #091D4A
#091D4A
oklch(24.7% 0.088 263.3)
- #2C1E00
#2C1E00
oklch(24.6% 0.05 83.6)
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 #091D4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.039
- Oxford Blue #1B263B ΔE 0.051
- Dark Indigo #1F0954 ΔE 0.054
- Rich Black #0D1B2A ΔE 0.061
- Dark #1B2431 ΔE 0.061
- Marine #042E60 ΔE 0.062
- Darkblue #030764 ΔE 0.064
- Night Blue #040348 ΔE 0.065
Use #091D4A 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.