#4B9EDD
Closest named color: Chefchaouen Blue (#4895EF). oklch(67.5% 0.124 244.1), rgb(75, 158, 221).
Aa
Black text reads best on this color (7.23:1).
About this color
#4B9EDD is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.124 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.041 away. Black text reads best on it, at 7.23:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.23:1 |
| White text | 2.90:1 |
Values
| HEX | #4B9EDD |
| RGB | rgb(75, 158, 221) |
| HSL | hsl(206, 68%, 58%) |
| OKLCH | oklch(67.5% 0.124 244.1) |
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 #4B9EDD | 2.90:1 | Fails | Lc -60.4 | Content text, not long reading |
| Black text on #4B9EDD | 7.23:1 | AAA | Lc 48.9 | Large or bold text, headings |
| #4B9EDD text on white | 2.90:1 | Fails | Lc 55.1 | Large or bold text, headings |
| #4B9EDD text on black | 7.23:1 | AAA | Lc -46.7 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DEECF8
oklch(93.6% 0.022 243.8)
-
Step 200
200
#C2DDF4
oklch(88.5% 0.043 244)
-
Step 300
300
#96C7EF
oklch(80.9% 0.077 243.5)
-
Step 400
400 (this color)
#4B9EDD
oklch(67.5% 0.124 244.1)
-
Step 500
500
#0090E0
oklch(63% 0.157 244.4)
-
Step 600
600
#0079BD
oklch(55.5% 0.138 244.2)
-
Step 700
700
#0066A0
oklch(49.2% 0.121 244)
-
Step 800
800
#005384
oklch(42.6% 0.106 244.3)
-
Step 900
900
#00456F
oklch(37.6% 0.093 244.3)
-
Step 950
950
#012944
oklch(27.1% 0.066 244.1)
#4B9EDD 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) | #829FE0 | 0.057 |
| Deuteranopia (no green cones) | #6E91DC | 0.045 |
| Tritanopia (no blue cones) | #00ADB4 | 0.090 |
| Achromatopsia (no color) | #979797 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B9EDD
#4B9EDD
oklch(67.5% 0.124 244.1)
- #CB853B
#CB853B
oklch(67.5% 0.123 64.2)
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 #4B9EDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.041
- Cornflower Blue #6495ED ΔE 0.043
- Dark Sky Blue #448EE4 ΔE 0.049
- Faded Blue #658CBB ΔE 0.062
- Soft Blue #6488EA ΔE 0.068
- Greyblue #77A1B5 ΔE 0.073
- Dodger Blue #1E90FF ΔE 0.075
- Turquoise Blue #06B1C4 ΔE 0.077
Use #4B9EDD 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.