#15CBFA
Closest named color: Bright Sky Blue (#02CCFE). oklch(78.2% 0.143 222.8), rgb(21, 203, 250).
Aa
Black text reads best on this color (10.95:1).
About this color
#15CBFA is a light, vivid teal or cyan. In OKLCH its lightness is 78%, its chroma 0.143 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Sky Blue (#02CCFE), ΔE 0.006 away. Black text reads best on it, at 10.95:1.
| Hue family | Teals and cyans |
| Lightness | light (78%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Bright Sky Blue (#02CCFE) |
| Black text | 10.95:1 |
| White text | 1.91:1 |
Values
| HEX | #15CBFA |
| RGB | rgb(21, 203, 250) |
| HSL | hsl(192, 96%, 53%) |
| OKLCH | oklch(78.2% 0.143 222.8) |
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 #15CBFA | 1.91:1 | Fails | Lc -40.3 | Non-text elements, placeholder text |
| Black text on #15CBFA | 10.95:1 | AAA | Lc 67.9 | Content text, not long reading |
| #15CBFA text on white | 1.91:1 | Fails | Lc 36.0 | Non-text elements, placeholder text |
| #15CBFA text on black | 10.95:1 | AAA | Lc -66.5 | 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
#E8F9FF
oklch(97.1% 0.02 220.9)
-
Step 100
100
#CDF1FE
oklch(93.6% 0.041 221.7)
-
Step 200
200
#9FE5FF
oklch(88.4% 0.078 223.2)
-
Step 300
300 (this color)
#15CBFA
oklch(78.2% 0.143 222.8)
-
Step 400
400
#00B1DC
oklch(70.6% 0.132 223.3)
-
Step 500
500
#0098BD
oklch(63.1% 0.118 223.1)
-
Step 600
600
#00809F
oklch(55.6% 0.103 222.6)
-
Step 700
700
#006B86
oklch(49% 0.091 223.1)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900
#00495C
oklch(37.6% 0.07 222.6)
-
Step 950
950
#002B38
oklch(26.8% 0.05 223.6)
#15CBFA 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) | #B0C6FC | 0.113 |
| Deuteranopia (no green cones) | #95B3FA | 0.099 |
| Tritanopia (no blue cones) | #00D9DA | 0.070 |
| Achromatopsia (no color) | #BBBBBB | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15CBFA
#15CBFA
oklch(78.2% 0.143 222.8)
- #FF9A70
#FF9A70
oklch(78.2% 0.134 43)
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 #15CBFA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Sky Blue #02CCFE ΔE 0.006
- Vivid Sky Blue #4CC9F0 ΔE 0.022
- Deep Sky Blue #00BFFF ΔE 0.037
- Aqua Blue #02D8E9 ΔE 0.050
- Lightblue #7BC8F6 ΔE 0.054
- Sky #82CAFC ΔE 0.062
- Dark Turquoise #00CED1 ΔE 0.064
- Light Sky Blue #87CEFA ΔE 0.068
Use #15CBFA 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.