#0B0E23
Closest named color: Rich Navy (#001219). oklch(17.4% 0.043 274.9), rgb(11, 14, 35).
Aa
White text reads best on this color (19.06:1).
About this color
#0B0E23 is a very dark, muted blue. In OKLCH its lightness is 17%, its chroma 0.043 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.035 away. White text reads best on it, at 19.06:1.
| Hue family | Blues |
| Lightness | very dark (17%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.10:1 |
| White text | 19.06:1 |
Values
| HEX | #0B0E23 |
| RGB | rgb(11, 14, 35) |
| HSL | hsl(233, 52%, 9%) |
| OKLCH | oklch(17.4% 0.043 274.9) |
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 #0B0E23 | 19.06:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #0B0E23 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #0B0E23 text on white | 19.06:1 | AAA | Lc 105.4 | Preferred for body text |
| #0B0E23 text on black | 1.10:1 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D3D8ED
oklch(88.5% 0.029 275.1)
-
Step 300
300
#B6BFE3
oklch(81% 0.052 274.2)
-
Step 400
400
#919DD4
oklch(70.7% 0.082 274.6)
-
Step 500
500
#7784C9
oklch(63.2% 0.105 274.9)
-
Step 600
600
#606CB6
oklch(55.5% 0.115 275)
-
Step 700
700
#505A9C
oklch(49.1% 0.106 275.3)
-
Step 800
800
#414A7F
oklch(42.7% 0.088 274.8)
-
Step 900
900
#373E66
oklch(37.7% 0.069 275.1)
-
Step 950
950 (this color)
#0B0E23
oklch(17.4% 0.043 274.9)
#0B0E23 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) | #061124 | 0.012 |
| Deuteranopia (no green cones) | #040F23 | 0.013 |
| Tritanopia (no blue cones) | #031316 | 0.040 |
| Achromatopsia (no color) | #101010 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B0E23
#0B0E23
oklch(17.4% 0.043 274.9)
- #151000
#151000
oklch(17.4% 0.036 96)
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 #0B0E23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.035
- Rich Black #0D1B2A ΔE 0.047
- Almost Black #070D0D ΔE 0.048
- Midnight #03012D ΔE 0.055
- Dark Navy #000435 ΔE 0.055
- Dark Navy Blue #00022E ΔE 0.057
- Very Dark Blue #000133 ΔE 0.062
- Navy Blue #001146 ΔE 0.070
Use #0B0E23 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.