#0C5153
Closest named color: Deep Teal (#00555A). oklch(39.7% 0.063 198), rgb(12, 81, 83).
Aa
White text reads best on this color (9.06:1).
About this color
#0C5153 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.063 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.015 away. White text reads best on it, at 9.06:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.31:1 |
| White text | 9.06:1 |
Values
| HEX | #0C5153 |
| RGB | rgb(12, 81, 83) |
| HSL | hsl(182, 75%, 19%) |
| OKLCH | oklch(39.7% 0.063 198) |
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 #0C5153 | 9.06:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #0C5153 | 2.31:1 | Fails | Lc 13.5 | Not readable |
| #0C5153 text on white | 9.06:1 | AAA | Lc 90.5 | Preferred for body text |
| #0C5153 text on black | 2.31:1 | Fails | Lc -11.8 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDED
oklch(93.6% 0.014 196.9)
-
Step 200
200
#C6DFDF
oklch(88.5% 0.027 196.7)
-
Step 300
300
#9DCBCC
oklch(81% 0.048 197.9)
-
Step 400
400
#63AFB2
oklch(70.6% 0.076 198.9)
-
Step 500
500
#2A9B9F
oklch(63.1% 0.097 198.5)
-
Step 600
600
#008487
oklch(55.6% 0.095 197.6)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5D
oklch(42.7% 0.073 197.4)
-
Step 900
900 (this color)
#0C5153
oklch(39.7% 0.063 198)
-
Step 950
950
#082C2D
oklch(26.9% 0.04 197.7)
#0C5153 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) | #4B4D53 | 0.066 |
| Deuteranopia (no green cones) | #414653 | 0.060 |
| Tritanopia (no blue cones) | #005451 | 0.012 |
| Achromatopsia (no color) | #494949 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C5153
#0C5153
oklch(39.7% 0.063 198)
- #65383A
#65383A
oklch(39.7% 0.064 17.5)
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 #0C5153, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.015
- Dark Teal #014D4E ΔE 0.016
- Dark Blue Green #005249 ΔE 0.020
- Dark Slate Gray #2F4F4F ΔE 0.026
- Charcoal #264653 ΔE 0.039
- Dark Grey Blue #29465B ΔE 0.046
- Petrol #005F6A ΔE 0.051
- Dark Green Blue #1F6357 ΔE 0.062
Use #0C5153 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.