#39E5F2
Closest named color: Aqua Blue (#02D8E9). oklch(84.4% 0.133 202.8), rgb(57, 229, 242).
Aa
Black text reads best on this color (13.66:1).
About this color
#39E5F2 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 84%, its chroma 0.133 and its hue 203°. 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 13.66:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Aqua Blue (#02D8E9) |
| Black text | 13.66:1 |
| White text | 1.53:1 |
Values
| HEX | #39E5F2 |
| RGB | rgb(57, 229, 242) |
| HSL | hsl(184, 88%, 59%) |
| OKLCH | oklch(84.4% 0.133 202.8) |
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 #39E5F2 | 1.53:1 | Fails | Lc -27.6 | Dividers and decoration only |
| Black text on #39E5F2 | 13.66:1 | AAA | Lc 79.4 | Fine for body text |
| #39E5F2 text on white | 1.53:1 | Fails | Lc 24.3 | Dividers and decoration only |
| #39E5F2 text on black | 13.66:1 | AAA | Lc -78.8 | 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
#E8F9FB
oklch(97% 0.018 205.3)
-
Step 100
100
#CDF2F5
oklch(93.6% 0.039 202.5)
-
Step 200
200
#9EE8EF
oklch(88.5% 0.074 203.4)
-
Step 300
300 (this color)
#39E5F2
oklch(84.4% 0.133 202.8)
-
Step 400
400
#00B6C1
oklch(70.7% 0.12 202.5)
-
Step 500
500
#009CA6
oklch(63.1% 0.107 202.8)
-
Step 600
600
#00838C
oklch(55.6% 0.095 203.3)
-
Step 700
700
#006E75
oklch(49% 0.083 202.5)
-
Step 800
800
#005A60
oklch(42.6% 0.073 202.7)
-
Step 900
900
#004B50
oklch(37.6% 0.064 202.5)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#39E5F2 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) | #D3DBF3 | 0.134 |
| Deuteranopia (no green cones) | #B9C8F3 | 0.124 |
| Tritanopia (no blue cones) | #00EEE9 | 0.033 |
| Achromatopsia (no color) | #D0D0D0 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39E5F2
#39E5F2
oklch(84.4% 0.133 202.8)
- #FFB6B2
#FFB6B2
oklch(84.4% 0.086 22.6)
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 #39E5F2, 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 0.041
- Turquoise #40E0D0 ΔE 0.046
- Bright Light Blue #26F7FD ΔE 0.047
- Bright Aqua #0BF9EA ΔE 0.060
- Medium Turquoise #48D1CC ΔE 0.065
- Bright Cyan #41FDFE ΔE 0.065
- Bright Turquoise #0FFEF9 ΔE 0.066
Use #39E5F2 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.