#0C425C
Closest named color: Dark Grey Blue (#29465B). oklch(35.9% 0.07 235.3), rgb(12, 66, 92).
Aa
White text reads best on this color (10.77:1).
About this color
#0C425C is a dark, muted blue. In OKLCH its lightness is 36%, its chroma 0.070 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.030 away. White text reads best on it, at 10.77:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.94:1 |
| White text | 10.77:1 |
Values
| HEX | #0C425C |
| RGB | rgb(12, 66, 92) |
| HSL | hsl(200, 77%, 20%) |
| OKLCH | oklch(35.9% 0.07 235.3) |
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 #0C425C | 10.77:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #0C425C | 1.94:1 | Fails | Lc 9.3 | Not readable |
| #0C425C text on white | 10.77:1 | AAA | Lc 94.6 | Preferred for body text |
| #0C425C text on black | 1.94:1 | Fails | Lc -8.0 | 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 900.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DDEA
oklch(88.6% 0.029 234.9)
-
Step 300
300
#A1C7DE
oklch(81% 0.052 234.9)
-
Step 400
400
#6BA9CE
oklch(70.7% 0.084 235.9)
-
Step 500
500
#3D93C1
oklch(63.1% 0.107 235.5)
-
Step 600
600
#0A7DAD
oklch(55.7% 0.116 234.9)
-
Step 700
700
#006993
oklch(49.2% 0.104 234.9)
-
Step 800
800
#045679
oklch(42.8% 0.089 235.2)
-
Step 900
900 (this color)
#0C425C
oklch(35.9% 0.07 235.3)
-
Step 950
950
#0D2A39
oklch(27.1% 0.044 234.3)
#0C425C 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) | #35425D | 0.041 |
| Deuteranopia (no green cones) | #2B3A5C | 0.036 |
| Tritanopia (no blue cones) | #00494B | 0.044 |
| Achromatopsia (no color) | #3E3E3E | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C425C
#0C425C
oklch(35.9% 0.07 235.3)
- #583215
#583215
oklch(35.9% 0.069 55.5)
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 #0C425C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.030
- Dark Blue Grey #1F3B4D ΔE 0.031
- Charcoal #264653 ΔE 0.032
- Midnight Green #073B4C ΔE 0.033
- Prussian Blue #1D3557 ΔE 0.041
- Marine Blue #01386A ΔE 0.045
- Dark Teal #014D4E ΔE 0.050
- Twilight Blue #0A437A ΔE 0.052
Use #0C425C 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.