#00C4F6
Closest named color: Deep Sky Blue (#00BFFF). oklch(76.3% 0.144 224.7), rgb(0, 196, 246).
Aa
Black text reads best on this color (10.22:1).
About this color
#00C4F6 is a medium-light, vivid teal or cyan. In OKLCH its lightness is 76%, its chroma 0.144 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.022 away. Black text reads best on it, at 10.22:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 10.22:1 |
| White text | 2.05:1 |
Values
| HEX | #00C4F6 |
| RGB | rgb(0, 196, 246) |
| HSL | hsl(192, 100%, 48%) |
| OKLCH | oklch(76.3% 0.144 224.7) |
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 #00C4F6 | 2.05:1 | Fails | Lc -43.8 | Non-text elements, placeholder text |
| Black text on #00C4F6 | 10.22:1 | AAA | Lc 64.6 | Content text, not long reading |
| #00C4F6 text on white | 2.05:1 | Fails | Lc 39.3 | Non-text elements, placeholder text |
| #00C4F6 text on black | 10.22:1 | AAA | Lc -63.0 | 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 300.
-
Step 50
50
#E9F8FF
oklch(97% 0.018 227.3)
-
Step 100
100
#CDF0FF
oklch(93.5% 0.042 225.6)
-
Step 200
200
#A2E5FF
oklch(88.6% 0.076 224.1)
-
Step 300
300 (this color)
#00C4F6
oklch(76.3% 0.144 224.7)
-
Step 400
400
#00B1DE
oklch(70.7% 0.133 224.4)
-
Step 500
500
#0098BF
oklch(63.2% 0.119 224.4)
-
Step 600
600
#007FA1
oklch(55.5% 0.105 225)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900
#00495E
oklch(37.7% 0.071 225)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#00C4F6 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) | #A8C0F8 | 0.110 |
| Deuteranopia (no green cones) | #8DACF5 | 0.096 |
| Tritanopia (no blue cones) | #00D3D4 | 0.075 |
| Achromatopsia (no color) | #B5B5B5 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00C4F6
#00C4F6
oklch(76.3% 0.144 224.7)
- #FC9261
#FC9261
oklch(76.3% 0.143 44.8)
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 #00C4F6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.022
- Bright Sky Blue #02CCFE ΔE 0.023
- Vivid Sky Blue #4CC9F0 ΔE 0.031
- Lightblue #7BC8F6 ΔE 0.062
- Aqua Blue #02D8E9 ΔE 0.065
- Dark Turquoise #00CED1 ΔE 0.069
- Sky #82CAFC ΔE 0.072
- Light Sky Blue #87CEFA ΔE 0.080
Use #00C4F6 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.