#0B1826
Closest named color: Rich Black (#0D1B2A). oklch(20.5% 0.034 251.4), rgb(11, 24, 38).
Aa
White text reads best on this color (17.90:1).
About this color
#0B1826 is a very dark, muted blue. In OKLCH its lightness is 20%, its chroma 0.034 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.013 away. White text reads best on it, at 17.90:1.
| Hue family | Blues |
| Lightness | very dark (20%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.90:1 |
Values
| HEX | #0B1826 |
| RGB | rgb(11, 24, 38) |
| HSL | hsl(211, 55%, 10%) |
| OKLCH | oklch(20.5% 0.034 251.4) |
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 #0B1826 | 17.90:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #0B1826 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #0B1826 text on white | 17.90:1 | AAA | Lc 104.6 | Preferred for body text |
| #0B1826 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CFDAE8
oklch(88.4% 0.023 254.4)
-
Step 300
300
#AEC3DA
oklch(80.9% 0.04 250.7)
-
Step 400
400
#84A4C8
oklch(70.8% 0.064 251.7)
-
Step 500
500
#648DBA
oklch(63.1% 0.082 251.4)
-
Step 600
600
#4B76A6
oklch(55.5% 0.089 252.2)
-
Step 700
700
#3C638E
oklch(49% 0.082 252)
-
Step 800
800
#325173
oklch(42.7% 0.068 251.8)
-
Step 900
900
#2C435D
oklch(37.6% 0.053 252.2)
-
Step 950
950 (this color)
#0B1826
oklch(20.5% 0.034 251.4)
#0B1826 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) | #121927 | 0.012 |
| Deuteranopia (no green cones) | #0F1626 | 0.009 |
| Tritanopia (no blue cones) | #001B1D | 0.029 |
| Achromatopsia (no color) | #171717 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B1826
#0B1826
oklch(20.5% 0.034 251.4)
- #211405
#211405
oklch(20.5% 0.034 69.4)
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 #0B1826, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.013
- Rich Navy #001219 ΔE 0.039
- Dark #1B2431 ΔE 0.053
- Almost Black #070D0D ΔE 0.060
- Jet #212529 ΔE 0.062
- Oxford Blue #1B263B ΔE 0.065
- Navy Blue #001146 ΔE 0.070
- Dark Navy #000435 ΔE 0.078
Use #0B1826 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.