#27ECF4
Closest named color: Bright Light Blue (#26F7FD). oklch(85.9% 0.141 199.4), rgb(39, 236, 244).
Aa
Black text reads best on this color (14.39:1).
About this color
#27ECF4 is a light, vivid teal or cyan. In OKLCH its lightness is 86%, its chroma 0.141 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Light Blue (#26F7FD), ΔE 0.030 away. Black text reads best on it, at 14.39:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Bright Light Blue (#26F7FD) |
| Black text | 14.39:1 |
| White text | 1.45:1 |
Values
| HEX | #27ECF4 |
| RGB | rgb(39, 236, 244) |
| HSL | hsl(182, 90%, 55%) |
| OKLCH | oklch(85.9% 0.141 199.4) |
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 #27ECF4 | 1.45:1 | Fails | Lc -24.2 | Dividers and decoration only |
| Black text on #27ECF4 | 14.39:1 | AAA | Lc 82.5 | Fine for body text |
| #27ECF4 text on white | 1.45:1 | Fails | Lc 21.3 | Dividers and decoration only |
| #27ECF4 text on black | 14.39:1 | AAA | Lc -82.1 | 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 200.
-
Step 50
50
#E4FBFC
oklch(97.2% 0.024 199.9)
-
Step 100
100
#C2F5F7
oklch(93.6% 0.052 199.3)
-
Step 200
200 (this color)
#27ECF4
oklch(85.9% 0.141 199.4)
-
Step 300
300
#00DBE2
oklch(81% 0.138 198.9)
-
Step 400
400
#00B7BD
oklch(70.8% 0.12 199)
-
Step 500
500
#009DA2
oklch(63.2% 0.107 198.8)
-
Step 600
600
#008488
oklch(55.7% 0.095 198.5)
-
Step 700
700
#006F73
oklch(49.2% 0.084 199.2)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#004C4F
oklch(37.8% 0.064 199.4)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#27ECF4 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) | #DAE1F5 | 0.144 |
| Deuteranopia (no green cones) | #BFCDF5 | 0.134 |
| Tritanopia (no blue cones) | #00F5EE | 0.029 |
| Achromatopsia (no color) | #D6D6D6 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #27ECF4
#27ECF4
oklch(85.9% 0.141 199.4)
- #FFBDBD
#FFBDBD
oklch(85.9% 0.076 18.8)
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 #27ECF4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Light Blue #26F7FD ΔE 0.030
- Robin's Egg #6DEDFD ΔE 0.037
- Bright Aqua #0BF9EA ΔE 0.043
- Bright Cyan #41FDFE ΔE 0.048
- Bright Turquoise #0FFEF9 ΔE 0.048
- Cyan #00FFFF ΔE 0.050
- Turquoise #40E0D0 ΔE 0.051
- Aqua Blue #02D8E9 ΔE 0.056
Use #27ECF4 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.