#02C4ED
Closest named color: Bright Sky Blue (#02CCFE). oklch(75.9% 0.138 220.1), rgb(2, 196, 237).
Aa
Black text reads best on this color (10.12:1).
About this color
#02C4ED is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.138 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Sky Blue (#02CCFE), ΔE 0.029 away. Black text reads best on it, at 10.12:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Bright Sky Blue (#02CCFE) |
| Black text | 10.12:1 |
| White text | 2.07:1 |
Values
| HEX | #02C4ED |
| RGB | rgb(2, 196, 237) |
| HSL | hsl(190, 98%, 47%) |
| OKLCH | oklch(75.9% 0.138 220.1) |
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 #02C4ED | 2.07:1 | Fails | Lc -44.4 | Non-text elements, placeholder text |
| Black text on #02C4ED | 10.12:1 | AAA | Lc 64.1 | Content text, not long reading |
| #02C4ED text on white | 2.07:1 | Fails | Lc 39.8 | Non-text elements, placeholder text |
| #02C4ED text on black | 10.12:1 | AAA | Lc -62.5 | 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
#E9F9FE
oklch(97.2% 0.018 218.4)
-
Step 100
100
#CEF1FD
oklch(93.7% 0.04 220.5)
-
Step 200
200
#9FE6FC
oklch(88.6% 0.077 219.2)
-
Step 300
300 (this color)
#02C4ED
oklch(75.9% 0.138 220.1)
-
Step 400
400
#00B2D8
oklch(70.7% 0.129 220.4)
-
Step 500
500
#0099B9
oklch(63.1% 0.115 219.7)
-
Step 600
600
#00809C
oklch(55.5% 0.101 220.3)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#004A5B
oklch(37.8% 0.069 219.8)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#02C4ED 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) | #ABBFEF | 0.114 |
| Deuteranopia (no green cones) | #91ACED | 0.101 |
| Tritanopia (no blue cones) | #00D1D1 | 0.063 |
| Achromatopsia (no color) | #B4B4B4 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #02C4ED
#02C4ED
oklch(75.9% 0.138 220.1)
- #FA906B
#FA906B
oklch(75.9% 0.138 39.9)
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 #02C4ED, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Sky Blue #02CCFE ΔE 0.029
- Vivid Sky Blue #4CC9F0 ΔE 0.029
- Deep Sky Blue #00BFFF ΔE 0.033
- Dark Turquoise #00CED1 ΔE 0.057
- Aqua Blue #02D8E9 ΔE 0.059
- Lightblue #7BC8F6 ΔE 0.065
- Turquoise Blue #06B1C4 ΔE 0.071
- Medium Turquoise #48D1CC ΔE 0.072
Use #02C4ED 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.