#0F424E
Closest named color: Dark Blue Grey (#1F3B4D). oklch(35.2% 0.056 217.2), rgb(15, 66, 78).
Aa
White text reads best on this color (10.99:1).
About this color
#0F424E is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.056 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.025 away. White text reads best on it, at 10.99:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.90:1 |
| White text | 10.99:1 |
Values
| HEX | #0F424E |
| RGB | rgb(15, 66, 78) |
| HSL | hsl(191, 68%, 18%) |
| OKLCH | oklch(35.2% 0.056 217.2) |
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 #0F424E | 10.99:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #0F424E | 1.90:1 | Fails | Lc 8.7 | Not readable |
| #0F424E text on white | 10.99:1 | AAA | Lc 95.2 | Preferred for body text |
| #0F424E text on black | 1.90:1 | Fails | Lc -7.5 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C9DDE3
oklch(88.4% 0.023 217.7)
-
Step 300
300
#A3C8D2
oklch(80.9% 0.042 216)
-
Step 400
400
#6FABBC
oklch(70.6% 0.067 217.6)
-
Step 500
500
#4496AB
oklch(63.1% 0.085 217.2)
-
Step 600
600
#1B8097
oklch(55.6% 0.093 217.6)
-
Step 700
700
#076C81
oklch(49.1% 0.086 217.8)
-
Step 800
800
#0F5868
oklch(42.6% 0.071 216.9)
-
Step 900
900 (this color)
#0F424E
oklch(35.2% 0.056 217.2)
-
Step 950
950
#102B32
oklch(27.1% 0.035 217.1)
#0F424E 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) | #3A404F | 0.048 |
| Deuteranopia (no green cones) | #31394E | 0.044 |
| Tritanopia (no blue cones) | #004646 | 0.024 |
| Achromatopsia (no color) | #3C3C3C | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F424E
#0F424E
oklch(35.2% 0.056 217.2)
- #543026
#543026
oklch(35.2% 0.056 36.3)
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 #0F424E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.025
- Midnight Green #073B4C ΔE 0.025
- Charcoal #264653 ΔE 0.027
- Dark Grey Blue #29465B ΔE 0.037
- Dark Teal #014D4E ΔE 0.037
- Onyx #343A40 ΔE 0.045
- Prussian Blue #1D3557 ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.052
Use #0F424E 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.