#0F425C
Closest named color: Dark Grey Blue (#29465B). oklch(36% 0.069 236.1), rgb(15, 66, 92).
Aa
White text reads best on this color (10.74:1).
About this color
#0F425C is a dark, muted blue. In OKLCH its lightness is 36%, its chroma 0.069 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.028 away. White text reads best on it, at 10.74:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.95:1 |
| White text | 10.74:1 |
Values
| HEX | #0F425C |
| RGB | rgb(15, 66, 92) |
| HSL | hsl(200, 72%, 21%) |
| OKLCH | oklch(36% 0.069 236.1) |
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 #0F425C | 10.74:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #0F425C | 1.95:1 | Fails | Lc 9.3 | Not readable |
| #0F425C text on white | 10.74:1 | AAA | Lc 94.6 | Preferred for body text |
| #0F425C text on black | 1.95:1 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
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
#A2C6DE
oklch(80.8% 0.051 237.5)
-
Step 400
400
#6DA9CD
oklch(70.7% 0.082 235.9)
-
Step 500
500
#4093C0
oklch(63.1% 0.105 235.6)
-
Step 600
600
#147CAD
oklch(55.6% 0.115 236.4)
-
Step 700
700
#006994
oklch(49.2% 0.105 235.5)
-
Step 800
800
#0A5578
oklch(42.6% 0.088 236.2)
-
Step 900
900 (this color)
#0F425C
oklch(36% 0.069 236.1)
-
Step 950
950
#0E2A39
oklch(27.1% 0.044 235)
#0F425C 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 | 0.040 |
| Deuteranopia (no green cones) | #2B3B5C | 0.032 |
| Tritanopia (no blue cones) | #00494B | 0.044 |
| Achromatopsia (no color) | #3E3E3E | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F425C
#0F425C
oklch(36% 0.069 236.1)
- #583315
#583315
oklch(36.1% 0.069 57.1)
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 #0F425C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.028
- Dark Blue Grey #1F3B4D ΔE 0.030
- Charcoal #264653 ΔE 0.031
- Midnight Green #073B4C ΔE 0.034
- 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 #0F425C 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.