#4C9BEB
Closest named color: Chefchaouen Blue (#4895EF). oklch(67.6% 0.142 251), rgb(76, 155, 235).
Aa
Black text reads best on this color (7.19:1).
About this color
#4C9BEB is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.142 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.019 away. Black text reads best on it, at 7.19:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.19:1 |
| White text | 2.91:1 |
Values
| HEX | #4C9BEB |
| RGB | rgb(76, 155, 235) |
| HSL | hsl(210, 80%, 61%) |
| OKLCH | oklch(67.6% 0.142 251) |
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 #4C9BEB | 2.91:1 | Fails | Lc -60.6 | Content text, not long reading |
| Black text on #4C9BEB | 7.19:1 | AAA | Lc 48.8 | Large or bold text, headings |
| #4C9BEB text on white | 2.91:1 | Fails | Lc 55.3 | Large or bold text, headings |
| #4C9BEB text on black | 7.19:1 | AAA | Lc -46.5 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DEECFB
oklch(93.7% 0.025 250)
-
Step 200
200
#C2DCF9
oklch(88.5% 0.049 251.2)
-
Step 300
300
#96C5F9
oklch(80.9% 0.089 251.5)
-
Step 400
400 (this color)
#4C9BEB
oklch(67.6% 0.142 251)
-
Step 500
500
#068BF2
oklch(63% 0.182 251.1)
-
Step 600
600
#0075CD
oklch(55.6% 0.161 250.9)
-
Step 700
700
#0062AE
oklch(49.1% 0.143 251.1)
-
Step 800
800
#005090
oklch(42.7% 0.125 251.1)
-
Step 900
900
#004279
oklch(37.6% 0.11 251.3)
-
Step 950
950
#022749
oklch(26.9% 0.075 250.8)
#4C9BEB 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) | #779FEE | 0.045 |
| Deuteranopia (no green cones) | #6190E9 | 0.032 |
| Tritanopia (no blue cones) | #00AEB8 | 0.110 |
| Achromatopsia (no color) | #979797 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C9BEB
#4C9BEB
oklch(67.6% 0.142 251)
- #CD8610
#CD8610
oklch(67.7% 0.142 71.2)
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 #4C9BEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.019
- Cornflower Blue #6495ED ΔE 0.026
- Dark Sky Blue #448EE4 ΔE 0.037
- Soft Blue #6488EA ΔE 0.052
- Dodger Blue #1E90FF ΔE 0.054
- Faded Blue #658CBB ΔE 0.075
- Periwinkle Blue #8F99FB ΔE 0.077
- Perrywinkle #8F8CE7 ΔE 0.078
Use #4C9BEB 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.