#0C4155
Closest named color: Dark Blue Grey (#1F3B4D). oklch(35.2% 0.063 228.7), rgb(12, 65, 85).
Aa
White text reads best on this color (11.03:1).
About this color
#0C4155 is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.063 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.023 away. White text reads best on it, at 11.03:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.90:1 |
| White text | 11.03:1 |
Values
| HEX | #0C4155 |
| RGB | rgb(12, 65, 85) |
| HSL | hsl(196, 75%, 19%) |
| OKLCH | oklch(35.2% 0.063 228.7) |
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 #0C4155 | 11.03:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #0C4155 | 1.90:1 | Fails | Lc 8.7 | Not readable |
| #0C4155 text on white | 11.03:1 | AAA | Lc 95.2 | Preferred for body text |
| #0C4155 text on black | 1.90:1 | Fails | Lc -7.4 | 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
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE7
oklch(88.5% 0.026 227.9)
-
Step 300
300
#A2C7D9
oklch(80.9% 0.047 229)
-
Step 400
400
#6DAAC6
oklch(70.7% 0.075 228.8)
-
Step 500
500
#4094B8
oklch(63% 0.097 229.4)
-
Step 600
600
#137EA4
oklch(55.6% 0.105 229.1)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#095772
oklch(42.8% 0.081 228.6)
-
Step 900
900 (this color)
#0C4155
oklch(35.2% 0.063 228.7)
-
Step 950
950
#0E2A36
oklch(27% 0.04 229.1)
#0C4155 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) | #374056 | 0.045 |
| Deuteranopia (no green cones) | #2D3955 | 0.038 |
| Tritanopia (no blue cones) | #004748 | 0.036 |
| Achromatopsia (no color) | #3C3C3C | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C4155
#0C4155
oklch(35.2% 0.063 228.7)
- #55301C
#55301C
oklch(35.1% 0.063 48.2)
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 #0C4155, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.023
- Midnight Green #073B4C ΔE 0.024
- Charcoal #264653 ΔE 0.030
- Dark Grey Blue #29465B ΔE 0.034
- Prussian Blue #1D3557 ΔE 0.041
- Dark Teal #014D4E ΔE 0.046
- Onyx #343A40 ΔE 0.051
- Marine Blue #01386A ΔE 0.052
Use #0C4155 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.