#010B2A
Closest named color: Dark Navy (#000435). oklch(16.4% 0.066 262), rgb(1, 11, 42).
Aa
White text reads best on this color (19.39:1).
About this color
#010B2A is a very dark, muted blue. In OKLCH its lightness is 16%, its chroma 0.066 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Navy (#000435), ΔE 0.030 away. White text reads best on it, at 19.39:1.
| Hue family | Blues |
| Lightness | very dark (16%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dark Navy (#000435) |
| Black text | 1.08:1 |
| White text | 19.39:1 |
Values
| HEX | #010B2A |
| RGB | rgb(1, 11, 42) |
| HSL | hsl(225, 95%, 8%) |
| OKLCH | oklch(16.4% 0.066 262) |
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 #010B2A | 19.39:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #010B2A | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #010B2A text on white | 19.39:1 | AAA | Lc 105.4 | Preferred for body text |
| #010B2A text on black | 1.08:1 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CADAF7
oklch(88.5% 0.044 262.4)
-
Step 300
300
#A5C1F4
oklch(80.8% 0.079 262.3)
-
Step 400
400
#75A0EF
oklch(70.8% 0.126 261.9)
-
Step 500
500
#5186EA
oklch(63.2% 0.161 261.8)
-
Step 600
600
#366DD8
oklch(55.7% 0.175 262)
-
Step 700
700
#295ABB
oklch(49.1% 0.162 262.1)
-
Step 800
800
#234A97
oklch(42.7% 0.134 262.1)
-
Step 900
900
#213F78
oklch(37.7% 0.104 261.8)
-
Step 950
950 (this color)
#010B2A
oklch(16.4% 0.066 262)
#010B2A 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) | #000F2B | 0.013 |
| Deuteranopia (no green cones) | #000B29 | 0.003 |
| Tritanopia (no blue cones) | #001318 | 0.051 |
| Achromatopsia (no color) | #0D0D0D | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #010B2A
#010B2A
oklch(16.4% 0.066 262)
- #150C00
#150C00
oklch(16.3% 0.034 81.5)
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 #010B2A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Navy #000435 ΔE 0.030
- Dark Navy Blue #00022E ΔE 0.031
- Midnight #03012D ΔE 0.033
- Very Dark Blue #000133 ΔE 0.036
- Rich Navy #001219 ΔE 0.047
- Navy Blue #001146 ΔE 0.059
- Night Blue #040348 ΔE 0.060
- Rich Black #0D1B2A ΔE 0.063
Use #010B2A 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.