#0A2633
Closest named color: Dark (#1B2431). oklch(25.4% 0.041 231.8), rgb(10, 38, 51).
Aa
White text reads best on this color (15.69:1).
About this color
#0A2633 is a dark, muted blue. In OKLCH its lightness is 25%, its chroma 0.041 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.021 away. White text reads best on it, at 15.69:1.
| Hue family | Blues |
| Lightness | dark (25%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.33:1 |
| White text | 15.69:1 |
Values
| HEX | #0A2633 |
| RGB | rgb(10, 38, 51) |
| HSL | hsl(199, 67%, 12%) |
| OKLCH | oklch(25.4% 0.041 231.8) |
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 #0A2633 | 15.69:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #0A2633 | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #0A2633 text on white | 15.69:1 | AAA | Lc 102.5 | Preferred for body text |
| #0A2633 text on black | 1.33:1 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C8DDE8
oklch(88.5% 0.027 230.4)
-
Step 300
300
#A2C7DB
oklch(80.9% 0.049 231.7)
-
Step 400
400
#6CAAC9
oklch(70.8% 0.078 231.1)
-
Step 500
500
#4094BB
oklch(63.1% 0.099 231.5)
-
Step 600
600
#127DA7
oklch(55.5% 0.108 231.9)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#095675
oklch(42.7% 0.084 232.5)
-
Step 900
900
#15475E
oklch(37.6% 0.065 232.4)
-
Step 950
950 (this color)
#0A2633
oklch(25.4% 0.041 231.8)
#0A2633 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) | #202534 | 0.029 |
| Deuteranopia (no green cones) | #1A2133 | 0.025 |
| Tritanopia (no blue cones) | #002A2A | 0.027 |
| Achromatopsia (no color) | #232323 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A2633
#0A2633
oklch(25.4% 0.041 231.8)
- #321D0F
#321D0F
oklch(25.5% 0.041 53.6)
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 #0A2633, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.021
- Oxford Blue #1B263B ΔE 0.027
- Jet #212529 ΔE 0.033
- Rich Black #0D1B2A ΔE 0.039
- Space Cadet #2B2D42 ΔE 0.060
- Gunmetal #293241 ΔE 0.065
- Midnight Green #073B4C ΔE 0.077
- Prussian Blue #1D3557 ΔE 0.081
Use #0A2633 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.