#0CB3C8
Closest named color: Turquoise Blue (#06B1C4). oklch(70.3% 0.12 209.7), rgb(12, 179, 200).
Aa
Black text reads best on this color (8.29:1).
About this color
#0CB3C8 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.120 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.007 away. Black text reads best on it, at 8.29:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.29:1 |
| White text | 2.53:1 |
Values
| HEX | #0CB3C8 |
| RGB | rgb(12, 179, 200) |
| HSL | hsl(187, 89%, 42%) |
| OKLCH | oklch(70.3% 0.12 209.7) |
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 #0CB3C8 | 2.53:1 | Fails | Lc -54.1 | Large or bold text, headings |
| Black text on #0CB3C8 | 8.29:1 | AAA | Lc 55.0 | Large or bold text, headings |
| #0CB3C8 text on white | 2.53:1 | Fails | Lc 49.0 | Large or bold text, headings |
| #0CB3C8 text on black | 8.29:1 | AAA | Lc -53.0 | Large or bold text, headings |
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 400.
-
Step 50
50
#EEF7F9
oklch(97% 0.01 212.5)
-
Step 100
100
#DAEEF2
oklch(93.6% 0.022 211)
-
Step 200
200
#BAE1E8
oklch(88.4% 0.042 209.7)
-
Step 300
300
#85CEDB
oklch(80.8% 0.075 210)
-
Step 400
400 (this color)
#0CB3C8
oklch(70.3% 0.12 209.7)
-
Step 500
500
#009BAD
oklch(63.1% 0.109 209.2)
-
Step 600
600
#008292
oklch(55.6% 0.096 209.8)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800
#005A65
oklch(42.8% 0.074 209.1)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#0CB3C8 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) | #A1ACC9 | 0.113 |
| Deuteranopia (no green cones) | #8B9CC8 | 0.103 |
| Tritanopia (no blue cones) | #00BCB9 | 0.039 |
| Achromatopsia (no color) | #A3A3A3 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0CB3C8
#0CB3C8
oklch(70.3% 0.12 209.7)
- #E08172
#E08172
oklch(70.3% 0.12 29.9)
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 #0CB3C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.007
- Light Sea Green #20B2AA ΔE 0.044
- Topaz #13BBAF ΔE 0.050
- Greyblue #77A1B5 ΔE 0.073
- Cadet Blue #5F9EA0 ΔE 0.073
- Greeny Blue #42B395 ΔE 0.075
- Dark Turquoise #00CED1 ΔE 0.076
- Deep Sky Blue #00BFFF ΔE 0.081
Use #0CB3C8 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.