#39BEEC
Closest named color: Deep Sky Blue (#00BFFF). oklch(75.1% 0.128 226.1), rgb(57, 190, 236).
Aa
Black text reads best on this color (9.75:1).
About this color
#39BEEC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.128 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.029 away. Black text reads best on it, at 9.75:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 9.75:1 |
| White text | 2.15:1 |
Values
| HEX | #39BEEC |
| RGB | rgb(57, 190, 236) |
| HSL | hsl(195, 82%, 57%) |
| OKLCH | oklch(75.1% 0.128 226.1) |
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 #39BEEC | 2.15:1 | Fails | Lc -46.6 | Large or bold text, headings |
| Black text on #39BEEC | 9.75:1 | AAA | Lc 62.1 | Content text, not long reading |
| #39BEEC text on white | 2.15:1 | Fails | Lc 41.9 | Non-text elements, placeholder text |
| #39BEEC text on black | 9.75:1 | AAA | Lc -60.3 | 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 400.
-
Step 50
50
#EEF7FB
oklch(97.1% 0.011 226)
-
Step 100
100
#DAEDF6
oklch(93.5% 0.024 227.7)
-
Step 200
200
#BBE0F0
oklch(88.5% 0.045 225.9)
-
Step 300
300
#87CCE8
oklch(80.9% 0.08 225.5)
-
Step 400
400 (this color)
#39BEEC
oklch(75.1% 0.128 226.1)
-
Step 500
500
#0097C1
oklch(63% 0.121 226.4)
-
Step 600
600
#007FA3
oklch(55.6% 0.107 226.4)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#005771
oklch(42.6% 0.082 226.6)
-
Step 900
900
#00495F
oklch(37.8% 0.072 226.2)
-
Step 950
950
#002B3A
oklch(27% 0.052 227.2)
#39BEEC 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) | #A5BAEE | 0.096 |
| Deuteranopia (no green cones) | #8DA9EB | 0.084 |
| Tritanopia (no blue cones) | #00CBCD | 0.068 |
| Achromatopsia (no color) | #B1B1B1 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39BEEC
#39BEEC
oklch(75.1% 0.128 226.1)
- #F09365
#F09365
oklch(75% 0.128 46.5)
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 #39BEEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.029
- Vivid Sky Blue #4CC9F0 ΔE 0.034
- Bright Sky Blue #02CCFE ΔE 0.040
- Lightblue #7BC8F6 ΔE 0.060
- Turquoise Blue #06B1C4 ΔE 0.067
- Dark Turquoise #00CED1 ΔE 0.070
- Sky #82CAFC ΔE 0.071
- Aqua Blue #02D8E9 ΔE 0.074
Use #39BEEC 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.