#03CBCD
Closest named color: Dark Turquoise (#00CED1). oklch(76.3% 0.13 196), rgb(3, 203, 205).
Aa
Black text reads best on this color (10.42:1).
About this color
#03CBCD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.130 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Turquoise (#00CED1), ΔE 0.009 away. Black text reads best on it, at 10.42:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Dark Turquoise (#00CED1) |
| Black text | 10.42:1 |
| White text | 2.01:1 |
Values
| HEX | #03CBCD |
| RGB | rgb(3, 203, 205) |
| HSL | hsl(181, 97%, 41%) |
| OKLCH | oklch(76.3% 0.13 196) |
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 #03CBCD | 2.01:1 | Fails | Lc -42.8 | Non-text elements, placeholder text |
| Black text on #03CBCD | 10.42:1 | AAA | Lc 65.5 | Content text, not long reading |
| #03CBCD text on white | 2.01:1 | Fails | Lc 38.4 | Non-text elements, placeholder text |
| #03CBCD text on black | 10.42:1 | AAA | Lc -64.0 | Content text, not long reading |
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 300.
-
Step 50
50
#E9F9F9
oklch(97% 0.017 196.9)
-
Step 100
100
#CEF2F2
oklch(93.6% 0.037 196.5)
-
Step 200
200
#A0E9E9
oklch(88.6% 0.072 195.9)
-
Step 300
300 (this color)
#03CBCD
oklch(76.3% 0.13 196)
-
Step 400
400
#00B7B9
oklch(70.6% 0.12 196.2)
-
Step 500
500
#009D9F
oklch(63.1% 0.107 196.4)
-
Step 600
600
#008485
oklch(55.6% 0.095 195.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#004C4D
oklch(37.8% 0.064 196.3)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#03CBCD 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) | #BCC1CD | 0.134 |
| Deuteranopia (no green cones) | #A5AFCE | 0.126 |
| Tritanopia (no blue cones) | #00D2CB | 0.021 |
| Achromatopsia (no color) | #B7B7B7 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03CBCD
#03CBCD
oklch(76.3% 0.13 196)
- #F98E96
#F98E96
oklch(76.3% 0.13 15.8)
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 #03CBCD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Turquoise #00CED1 ΔE 0.009
- Medium Turquoise #48D1CC ΔE 0.029
- Aqua Blue #02D8E9 ΔE 0.047
- Topaz #13BBAF ΔE 0.054
- Vivid Sky Blue #4CC9F0 ΔE 0.061
- Medium Aquamarine #66CDAA ΔE 0.061
- Turquoise #40E0D0 ΔE 0.064
- Seafoam Blue #78D1B6 ΔE 0.067
Use #03CBCD 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.