#091927
Closest named color: Rich Black (#0D1B2A). oklch(20.7% 0.036 246.9), rgb(9, 25, 39).
Aa
White text reads best on this color (17.79:1).
About this color
#091927 is a very dark, muted blue. In OKLCH its lightness is 21%, its chroma 0.036 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.011 away. White text reads best on it, at 17.79:1.
| Hue family | Blues |
| Lightness | very dark (21%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.79:1 |
Values
| HEX | #091927 |
| RGB | rgb(9, 25, 39) |
| HSL | hsl(208, 63%, 9%) |
| OKLCH | oklch(20.7% 0.036 246.9) |
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 #091927 | 17.79:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #091927 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #091927 text on white | 17.79:1 | AAA | Lc 104.5 | Preferred for body text |
| #091927 text on black | 1.17:1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CDDBE8
oklch(88.5% 0.023 246.1)
-
Step 300
300
#ABC4DB
oklch(80.9% 0.042 246.1)
-
Step 400
400
#7FA5C9
oklch(70.7% 0.067 247.4)
-
Step 500
500
#5D8EBB
oklch(63% 0.086 247.3)
-
Step 600
600
#4278A7
oklch(55.6% 0.093 246.7)
-
Step 700
700
#34658F
oklch(49.2% 0.086 246.6)
-
Step 800
800
#2B5274
oklch(42.6% 0.072 246.8)
-
Step 900
900
#28445E
oklch(37.7% 0.056 247.8)
-
Step 950
950 (this color)
#091927
oklch(20.7% 0.036 246.9)
#091927 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) | #131928 | 0.015 |
| Deuteranopia (no green cones) | #0F1627 | 0.013 |
| Tritanopia (no blue cones) | #001C1E | 0.027 |
| Achromatopsia (no color) | #181818 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #091927
#091927
oklch(20.7% 0.036 246.9)
- #221405
#221405
oklch(20.6% 0.035 67.2)
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 #091927, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.011
- Rich Navy #001219 ΔE 0.041
- Dark #1B2431 ΔE 0.052
- Jet #212529 ΔE 0.061
- Almost Black #070D0D ΔE 0.063
- Oxford Blue #1B263B ΔE 0.063
- Navy Blue #001146 ΔE 0.069
- Dark Navy #000435 ΔE 0.079
Use #091927 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.