#091628
Closest named color: Rich Black (#0D1B2A). oklch(19.9% 0.041 256.8), rgb(9, 22, 40).
Aa
White text reads best on this color (18.15:1).
About this color
#091628 is a very dark, muted blue. In OKLCH its lightness is 20%, its chroma 0.041 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.020 away. White text reads best on it, at 18.15:1.
| Hue family | Blues |
| Lightness | very dark (20%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.15:1 |
| White text | 18.15:1 |
Values
| HEX | #091628 |
| RGB | rgb(9, 22, 40) |
| HSL | hsl(215, 63%, 10%) |
| OKLCH | oklch(19.9% 0.041 256.8) |
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 #091628 | 18.15:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #091628 | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #091628 text on white | 18.15:1 | AAA | Lc 104.8 | Preferred for body text |
| #091628 text on black | 1.15:1 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CEDAEB
oklch(88.4% 0.027 257)
-
Step 300
300
#ADC2E0
oklch(80.8% 0.048 257.3)
-
Step 400
400
#82A3D1
oklch(70.8% 0.077 256.8)
-
Step 500
500
#628BC5
oklch(63.1% 0.099 257.1)
-
Step 600
600
#4874B1
oklch(55.5% 0.107 256.8)
-
Step 700
700
#396199
oklch(49% 0.101 257.1)
-
Step 800
800
#30507C
oklch(42.8% 0.083 256.7)
-
Step 900
900
#2A4263
oklch(37.6% 0.064 256.6)
-
Step 950
950 (this color)
#091628
oklch(19.9% 0.041 256.8)
#091628 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) | #0E1729 | 0.009 |
| Deuteranopia (no green cones) | #0A1428 | 0.007 |
| Tritanopia (no blue cones) | #001A1D | 0.033 |
| Achromatopsia (no color) | #161616 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #091628
#091628
oklch(19.9% 0.041 256.8)
- #201300
#201300
oklch(19.9% 0.042 78)
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 #091628, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.020
- Rich Navy #001219 ΔE 0.038
- Almost Black #070D0D ΔE 0.060
- Dark #1B2431 ΔE 0.060
- Navy Blue #001146 ΔE 0.063
- Dark Navy #000435 ΔE 0.068
- Oxford Blue #1B263B ΔE 0.070
- Jet #212529 ΔE 0.070
Use #091628 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.