#0C3E4F
Closest named color: Midnight Green (#073B4C). oklch(34.1% 0.058 225.8), rgb(12, 62, 79).
Aa
White text reads best on this color (11.55:1).
About this color
#0C3E4F is a dark, muted teal or cyan. In OKLCH its lightness is 34%, its chroma 0.058 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.011 away. White text reads best on it, at 11.55:1.
| Hue family | Teals and cyans |
| Lightness | dark (34%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.81:1 |
| White text | 11.55:1 |
Values
| HEX | #0C3E4F |
| RGB | rgb(12, 62, 79) |
| HSL | hsl(195, 74%, 18%) |
| OKLCH | oklch(34.1% 0.058 225.8) |
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 #0C3E4F | 11.55:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #0C3E4F | 1.81:1 | Fails | Lc 7.6 | Not readable |
| #0C3E4F text on white | 11.55:1 | AAA | Lc 96.3 | Preferred for body text |
| #0C3E4F text on black | 1.81:1 | 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 900.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C9DDE6
oklch(88.5% 0.025 226.5)
-
Step 300
300
#A3C7D6
oklch(80.8% 0.044 225.1)
-
Step 400
400
#70AAC2
oklch(70.7% 0.07 226)
-
Step 500
500
#4595B3
oklch(63.2% 0.09 225.6)
-
Step 600
600
#1E7E9F
oklch(55.5% 0.098 226.6)
-
Step 700
700
#0C6B88
oklch(49.2% 0.091 225.7)
-
Step 800
800
#11576E
oklch(42.7% 0.075 225.6)
-
Step 900
900 (this color)
#0C3E4F
oklch(34.1% 0.058 225.8)
-
Step 950
950
#102A34
oklch(27% 0.037 225.8)
#0C3E4F 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) | #353D50 | 0.044 |
| Deuteranopia (no green cones) | #2C364F | 0.039 |
| Tritanopia (no blue cones) | #004344 | 0.030 |
| Achromatopsia (no color) | #393939 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C3E4F
#0C3E4F
oklch(34.1% 0.058 225.8)
- #512E1D
#512E1D
oklch(34.1% 0.059 46.1)
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 #0C3E4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.011
- Dark Blue Grey #1F3B4D ΔE 0.017
- Prussian Blue #1D3557 ΔE 0.038
- Charcoal #264653 ΔE 0.038
- Dark Grey Blue #29465B ΔE 0.044
- Gunmetal #293241 ΔE 0.046
- Onyx #343A40 ΔE 0.047
- Dark Teal #014D4E ΔE 0.052
Use #0C3E4F 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.