#010A2A
Closest named color: Dark Navy (#000435). oklch(16.1% 0.068 262.7), rgb(1, 10, 42).
Aa
White text reads best on this color (19.47:1).
About this color
#010A2A is a very dark, muted blue. In OKLCH its lightness is 16%, its chroma 0.068 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Navy (#000435), ΔE 0.028 away. White text reads best on it, at 19.47:1.
| Hue family | Blues |
| Lightness | very dark (16%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dark Navy (#000435) |
| Black text | 1.07:1 |
| White text | 19.47:1 |
Values
| HEX | #010A2A |
| RGB | rgb(1, 10, 42) |
| HSL | hsl(227, 95%, 8%) |
| OKLCH | oklch(16.1% 0.068 262.7) |
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 #010A2A | 19.47:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #010A2A | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #010A2A text on white | 19.47:1 | AAA | Lc 105.5 | Preferred for body text |
| #010A2A text on black | 1.07:1 | 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
#CADAF8
oklch(88.6% 0.045 263.1)
-
Step 300
300
#A5C1F5
oklch(80.9% 0.08 262.6)
-
Step 400
400
#759FF1
oklch(70.7% 0.129 262.9)
-
Step 500
500
#5285EC
oklch(63.2% 0.164 262.8)
-
Step 600
600
#376CDA
oklch(55.7% 0.178 262.7)
-
Step 700
700
#2959BD
oklch(49% 0.166 262.6)
-
Step 800
800
#234999
oklch(42.6% 0.138 262.8)
-
Step 900
900
#213E7A
oklch(37.6% 0.108 262.9)
-
Step 950
950 (this color)
#010A2A
oklch(16.1% 0.068 262.7)
#010A2A 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 | 0.016 |
| Deuteranopia (no green cones) | #000B29 | 0.004 |
| Tritanopia (no blue cones) | #001218 | 0.051 |
| Achromatopsia (no color) | #0D0D0D | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #010A2A
#010A2A
oklch(16.1% 0.068 262.7)
- #140C00
#140C00
oklch(16.1% 0.033 84.4)
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 #010A2A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Navy #000435 ΔE 0.028
- Dark Navy Blue #00022E ΔE 0.029
- Midnight #03012D ΔE 0.030
- Very Dark Blue #000133 ΔE 0.033
- Rich Navy #001219 ΔE 0.049
- Navy Blue #001146 ΔE 0.060
- Night Blue #040348 ΔE 0.060
- Almost Black #070D0D ΔE 0.065
Use #010A2A 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.