#04ABDD
Closest named color: Turquoise Blue (#06B1C4). oklch(69.2% 0.134 228), rgb(4, 171, 221).
Aa
Black text reads best on this color (7.87:1).
About this color
#04ABDD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.134 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.046 away. Black text reads best on it, at 7.87:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.87:1 |
| White text | 2.66:1 |
Values
| HEX | #04ABDD |
| RGB | rgb(4, 171, 221) |
| HSL | hsl(194, 96%, 44%) |
| OKLCH | oklch(69.2% 0.134 228) |
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 #04ABDD | 2.66:1 | Fails | Lc -56.4 | Large or bold text, headings |
| Black text on #04ABDD | 7.87:1 | AAA | Lc 52.8 | Large or bold text, headings |
| #04ABDD text on white | 2.66:1 | Fails | Lc 51.2 | Large or bold text, headings |
| #04ABDD text on black | 7.87:1 | AAA | Lc -50.7 | 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
#EEF7FB
oklch(97.1% 0.011 226)
-
Step 100
100
#DAEEF7
oklch(93.7% 0.024 226.5)
-
Step 200
200
#BAE0F2
oklch(88.5% 0.047 228.2)
-
Step 300
300
#85CCEB
oklch(80.9% 0.083 227.4)
-
Step 400
400 (this color)
#04ABDD
oklch(69.2% 0.134 228)
-
Step 500
500
#0097C4
oklch(63.2% 0.123 228.1)
-
Step 600
600
#007FA5
oklch(55.7% 0.108 227.8)
-
Step 700
700
#006A8B
oklch(49% 0.096 228.3)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004960
oklch(37.8% 0.073 227.3)
-
Step 950
950
#002B3A
oklch(27% 0.052 227.2)
#04ABDD 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) | #90A8DF | 0.095 |
| Deuteranopia (no green cones) | #7797DC | 0.081 |
| Tritanopia (no blue cones) | #00B9BC | 0.073 |
| Achromatopsia (no color) | #9E9E9E | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04ABDD
#04ABDD
oklch(69.2% 0.134 228)
- #DE804C
#DE804C
oklch(69.2% 0.134 48.3)
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 #04ABDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.046
- Deep Sky Blue #00BFFF ΔE 0.067
- Chefchaouen Blue #4895EF ΔE 0.074
- Greyblue #77A1B5 ΔE 0.080
- Cornflower Blue #6495ED ΔE 0.081
- Dark Sky Blue #448EE4 ΔE 0.083
- Light Sea Green #20B2AA ΔE 0.085
- Cadet Blue #5F9EA0 ΔE 0.091
Use #04ABDD 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.