#27E5FA
Closest named color: Aqua Blue (#02D8E9). oklch(84.5% 0.14 207), rgb(39, 229, 250).
Aa
Black text reads best on this color (13.67:1).
About this color
#27E5FA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 84%, its chroma 0.140 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Blue (#02D8E9), ΔE 0.040 away. Black text reads best on it, at 13.67:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.140) |
| Temperature | cool |
| Nearest name | Aqua Blue (#02D8E9) |
| Black text | 13.67:1 |
| White text | 1.53:1 |
Values
| HEX | #27E5FA |
| RGB | rgb(39, 229, 250) |
| HSL | hsl(186, 95%, 57%) |
| OKLCH | oklch(84.5% 0.14 207) |
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 #27E5FA | 1.53:1 | Fails | Lc -27.4 | Dividers and decoration only |
| Black text on #27E5FA | 13.67:1 | AAA | Lc 79.6 | Fine for body text |
| #27E5FA text on white | 1.53:1 | Fails | Lc 24.2 | Dividers and decoration only |
| #27E5FA text on black | 13.67:1 | AAA | Lc -79.0 | Fine for body text |
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
#E8F9FC
oklch(97% 0.018 209.4)
-
Step 100
100
#CCF2F8
oklch(93.6% 0.04 208.1)
-
Step 200
200
#9BE8F3
oklch(88.5% 0.077 207.2)
-
Step 300
300 (this color)
#27E5FA
oklch(84.5% 0.14 207)
-
Step 400
400
#00B5C7
oklch(70.7% 0.121 207.4)
-
Step 500
500
#009BAB
oklch(63% 0.108 207.7)
-
Step 600
600
#008390
oklch(55.7% 0.096 207)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#004B53
oklch(37.7% 0.065 207)
-
Step 950
950
#002D32
oklch(27.1% 0.046 206.3)
#27E5FA 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) | #D0DCFB | 0.135 |
| Deuteranopia (no green cones) | #B5C8FA | 0.123 |
| Tritanopia (no blue cones) | #00F0EB | 0.043 |
| Achromatopsia (no color) | #D0D0D0 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #27E5FA
#27E5FA
oklch(84.5% 0.14 207)
- #FFB7AE
#FFB7AE
oklch(84.4% 0.085 27)
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 #27E5FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Blue #02D8E9 ΔE 0.040
- Robin's Egg #6DEDFD ΔE 0.043
- Bright Light Blue #26F7FD ΔE 0.049
- Turquoise #40E0D0 ΔE 0.057
- Bright Aqua #0BF9EA ΔE 0.066
- Bright Cyan #41FDFE ΔE 0.068
- Robin Egg Blue #8AF1FE ΔE 0.070
- Bright Turquoise #0FFEF9 ΔE 0.070
Use #27E5FA 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.