#0A1434
Closest named color: Rich Black (#0D1B2A). oklch(20.4% 0.065 267.4), rgb(10, 20, 52).
Aa
White text reads best on this color (18.06:1).
About this color
#0A1434 is a very dark, muted blue. In OKLCH its lightness is 20%, its chroma 0.065 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.035 away. White text reads best on it, at 18.06:1.
| Hue family | Blues |
| Lightness | very dark (20%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.16:1 |
| White text | 18.06:1 |
Values
| HEX | #0A1434 |
| RGB | rgb(10, 20, 52) |
| HSL | hsl(226, 68%, 12%) |
| OKLCH | oklch(20.4% 0.065 267.4) |
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 #0A1434 | 18.06:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #0A1434 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #0A1434 text on white | 18.06:1 | AAA | Lc 104.6 | Preferred for body text |
| #0A1434 text on black | 1.16:1 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CDD9F6
oklch(88.5% 0.042 267.7)
-
Step 300
300
#ABC0F3
oklch(81% 0.076 267.3)
-
Step 400
400
#7F9DED
oklch(70.7% 0.122 267.6)
-
Step 500
500
#6083E7
oklch(63.2% 0.155 267.4)
-
Step 600
600
#476AD6
oklch(55.7% 0.171 267.2)
-
Step 700
700
#3957B9
oklch(49% 0.159 267.4)
-
Step 800
800
#2F4896
oklch(42.7% 0.131 267.3)
-
Step 900
900
#2A3D77
oklch(37.7% 0.102 267.7)
-
Step 950
950 (this color)
#0A1434
oklch(20.4% 0.065 267.4)
#0A1434 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) | #031835 | 0.014 |
| Deuteranopia (no green cones) | #001433 | 0.015 |
| Tritanopia (no blue cones) | #001C21 | 0.054 |
| Achromatopsia (no color) | #161616 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A1434
#0A1434
oklch(20.4% 0.065 267.4)
- #1F1500
#1F1500
oklch(20.3% 0.042 86.2)
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 #0A1434, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.035
- Navy Blue #001146 ΔE 0.039
- Dark Navy #000435 ΔE 0.054
- Night Blue #040348 ΔE 0.057
- Rich Navy #001219 ΔE 0.059
- Dark #1B2431 ΔE 0.065
- Very Dark Blue #000133 ΔE 0.066
- Dark Navy Blue #00022E ΔE 0.066
Use #0A1434 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.