#4DB0EC
Closest named color: Deep Sky Blue (#00BFFF). oklch(72.4% 0.127 238.7), rgb(77, 176, 236).
Aa
Black text reads best on this color (8.73:1).
About this color
#4DB0EC is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.127 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.045 away. Black text reads best on it, at 8.73:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 8.73:1 |
| White text | 2.40:1 |
Values
| HEX | #4DB0EC |
| RGB | rgb(77, 176, 236) |
| HSL | hsl(203, 81%, 61%) |
| OKLCH | oklch(72.4% 0.127 238.7) |
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 #4DB0EC | 2.40:1 | Fails | Lc -52.0 | Large or bold text, headings |
| Black text on #4DB0EC | 8.73:1 | AAA | Lc 56.9 | Large or bold text, headings |
| #4DB0EC text on white | 2.40:1 | Fails | Lc 47.1 | Large or bold text, headings |
| #4DB0EC text on black | 8.73:1 | AAA | Lc -55.0 | 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
#EFF7FC
oklch(97.2% 0.011 234.8)
-
Step 100
100
#DDECF8
oklch(93.5% 0.023 241.9)
-
Step 200
200
#BFDEF3
oklch(88.5% 0.044 237.6)
-
Step 300
300
#90C8EE
oklch(80.8% 0.079 238.7)
-
Step 400
400 (this color)
#4DB0EC
oklch(72.4% 0.127 238.7)
-
Step 500
500
#0093D5
oklch(63.1% 0.142 238.9)
-
Step 600
600
#007CB3
oklch(55.7% 0.124 238.2)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#004769
oklch(37.8% 0.084 238.3)
-
Step 950
950
#002A40
oklch(27% 0.06 237.8)
#4DB0EC 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) | #94B0EF | 0.070 |
| Deuteranopia (no green cones) | #7EA0EB | 0.058 |
| Tritanopia (no blue cones) | #00BFC5 | 0.086 |
| Achromatopsia (no color) | #A7A7A7 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4DB0EC
#4DB0EC
oklch(72.4% 0.127 238.7)
- #E0914E
#E0914E
oklch(72.4% 0.127 59)
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 #4DB0EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.045
- Vivid Sky Blue #4CC9F0 ΔE 0.069
- Carolina Blue #8AB8FE ΔE 0.069
- Turquoise Blue #06B1C4 ΔE 0.070
- Cornflower Blue #6495ED ΔE 0.073
- Bright Sky Blue #02CCFE ΔE 0.074
- Chefchaouen Blue #4895EF ΔE 0.076
- Lightblue #7BC8F6 ΔE 0.081
Use #4DB0EC 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.