#04BDC8
Closest named color: Turquoise Blue (#06B1C4). oklch(72.7% 0.123 202.2), rgb(4, 189, 200).
Aa
Black text reads best on this color (9.11:1).
About this color
#04BDC8 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.123 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.034 away. Black text reads best on it, at 9.11:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 9.11:1 |
| White text | 2.30:1 |
Values
| HEX | #04BDC8 |
| RGB | rgb(4, 189, 200) |
| HSL | hsl(183, 96%, 40%) |
| OKLCH | oklch(72.7% 0.123 202.2) |
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 #04BDC8 | 2.30:1 | Fails | Lc -49.6 | Large or bold text, headings |
| Black text on #04BDC8 | 9.11:1 | AAA | Lc 59.2 | Large or bold text, headings |
| #04BDC8 text on white | 2.30:1 | Fails | Lc 44.8 | Non-text elements, placeholder text |
| #04BDC8 text on black | 9.11:1 | AAA | Lc -57.4 | Large or bold text, headings |
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
#EEF8F8
oklch(97.2% 0.011 197)
-
Step 100
100
#DAEFF0
oklch(93.7% 0.022 200.2)
-
Step 200
200
#B9E2E5
oklch(88.5% 0.043 201.9)
-
Step 300
300
#82D0D6
oklch(80.9% 0.077 202)
-
Step 400
400 (this color)
#04BDC8
oklch(72.7% 0.123 202.2)
-
Step 500
500
#009CA5
oklch(63.1% 0.107 202)
-
Step 600
600
#00838B
oklch(55.5% 0.095 202.3)
-
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)
#04BDC8 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) | #ADB4C9 | 0.124 |
| Deuteranopia (no green cones) | #96A4C9 | 0.113 |
| Tritanopia (no blue cones) | #00C5C0 | 0.029 |
| Achromatopsia (no color) | #ABABAB | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04BDC8
#04BDC8
oklch(72.7% 0.123 202.2)
- #EA8683
#EA8683
oklch(72.7% 0.123 22.4)
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 #04BDC8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.034
- Topaz #13BBAF ΔE 0.036
- Light Sea Green #20B2AA ΔE 0.046
- Dark Turquoise #00CED1 ΔE 0.047
- Medium Turquoise #48D1CC ΔE 0.064
- Greeny Blue #42B395 ΔE 0.070
- Vivid Sky Blue #4CC9F0 ΔE 0.070
- Aqua Blue #02D8E9 ΔE 0.079
Use #04BDC8 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.