#091A2F
Closest named color: Rich Black (#0D1B2A). oklch(21.6% 0.047 254.9), rgb(9, 26, 47).
Aa
White text reads best on this color (17.49:1).
About this color
#091A2F is a very dark, muted blue. In OKLCH its lightness is 22%, its chroma 0.047 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.012 away. White text reads best on it, at 17.49:1.
| Hue family | Blues |
| Lightness | very dark (22%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.20:1 |
| White text | 17.49:1 |
Values
| HEX | #091A2F |
| RGB | rgb(9, 26, 47) |
| HSL | hsl(213, 68%, 11%) |
| OKLCH | oklch(21.6% 0.047 254.9) |
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 #091A2F | 17.49:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #091A2F | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #091A2F text on white | 17.49:1 | AAA | Lc 104.2 | Preferred for body text |
| #091A2F text on black | 1.20:1 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDBEE
oklch(88.6% 0.031 254.3)
-
Step 300
300
#A9C3E5
oklch(80.9% 0.056 255.2)
-
Step 400
400
#7AA3D8
oklch(70.6% 0.09 255.1)
-
Step 500
500
#578CCE
oklch(63.2% 0.115 254.7)
-
Step 600
600
#3B74BB
oklch(55.5% 0.126 255.1)
-
Step 700
700
#2D61A1
oklch(49% 0.117 255.1)
-
Step 800
800
#275082
oklch(42.7% 0.095 254.7)
-
Step 900
900
#244369
oklch(37.8% 0.075 254.5)
-
Step 950
950 (this color)
#091A2F
oklch(21.6% 0.047 254.9)
#091A2F 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) | #111B30 | 0.012 |
| Deuteranopia (no green cones) | #0B182F | 0.007 |
| Tritanopia (no blue cones) | #001F22 | 0.038 |
| Achromatopsia (no color) | #191919 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #091A2F
#091A2F
oklch(21.6% 0.047 254.9)
- #261600
#261600
oklch(21.6% 0.046 74.4)
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 #091A2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.012
- Dark #1B2431 ΔE 0.046
- Oxford Blue #1B263B ΔE 0.054
- Rich Navy #001219 ΔE 0.054
- Navy Blue #001146 ΔE 0.056
- Jet #212529 ΔE 0.060
- Dark Navy #000435 ΔE 0.075
- Almost Black #070D0D ΔE 0.077
Use #091A2F 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.