#0EA3D4
Closest named color: Turquoise Blue (#06B1C4). oklch(66.9% 0.13 228.9), rgb(14, 163, 212).
Aa
Black text reads best on this color (7.20:1).
About this color
#0EA3D4 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.130 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.053 away. Black text reads best on it, at 7.20:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.20:1 |
| White text | 2.91:1 |
Values
| HEX | #0EA3D4 |
| RGB | rgb(14, 163, 212) |
| HSL | hsl(195, 88%, 44%) |
| OKLCH | oklch(66.9% 0.13 228.9) |
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 #0EA3D4 | 2.91:1 | Fails | Lc -60.2 | Content text, not long reading |
| Black text on #0EA3D4 | 7.20:1 | AAA | Lc 49.1 | Large or bold text, headings |
| #0EA3D4 text on white | 2.91:1 | Fails | Lc 54.9 | Large or bold text, headings |
| #0EA3D4 text on black | 7.20:1 | AAA | Lc -46.9 | 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
#EEF7FB
oklch(97.1% 0.011 226)
-
Step 100
100
#DBEDF7
oklch(93.6% 0.023 231.8)
-
Step 200
200
#BBE0F1
oklch(88.6% 0.045 227.4)
-
Step 300
300
#88CBEB
oklch(80.9% 0.081 229.6)
-
Step 400
400 (this color)
#0EA3D4
oklch(66.9% 0.13 228.9)
-
Step 500
500
#0097C5
oklch(63.2% 0.124 228.7)
-
Step 600
600
#007EA6
oklch(55.5% 0.11 229.3)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#0EA3D4 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) | #89A0D6 | 0.090 |
| Deuteranopia (no green cones) | #7290D3 | 0.078 |
| Tritanopia (no blue cones) | #00B1B3 | 0.073 |
| Achromatopsia (no color) | #979797 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0EA3D4
#0EA3D4
oklch(66.9% 0.13 228.9)
- #D47A47
#D47A47
oklch(66.9% 0.13 48.8)
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 #0EA3D4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.053
- Chefchaouen Blue #4895EF ΔE 0.067
- Dark Sky Blue #448EE4 ΔE 0.070
- Faded Blue #658CBB ΔE 0.075
- Cornflower Blue #6495ED ΔE 0.077
- Greyblue #77A1B5 ΔE 0.077
- Water Blue #0E87CC ΔE 0.079
- Blue NCS #118AB2 ΔE 0.079
Use #0EA3D4 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.