#4C8CCC
Closest named color: Cool Blue (#4984B8). oklch(62.6% 0.118 250.2), rgb(76, 140, 204).
Aa
Black text reads best on this color (5.93:1).
About this color
#4C8CCC is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.118 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.035 away. Black text reads best on it, at 5.93:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.93:1 |
| White text | 3.54:1 |
Values
| HEX | #4C8CCC |
| RGB | rgb(76, 140, 204) |
| HSL | hsl(210, 56%, 55%) |
| OKLCH | oklch(62.6% 0.118 250.2) |
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 #4C8CCC | 3.54:1 | AA large text | Lc -68.3 | Content text, not long reading |
| Black text on #4C8CCC | 5.93:1 | AA | Lc 41.3 | Non-text elements, placeholder text |
| #4C8CCC text on white | 3.54:1 | AA large text | Lc 62.8 | Content text, not long reading |
| #4C8CCC text on black | 5.93:1 | AA | Lc -38.9 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEE
oklch(88.5% 0.032 251.1)
-
Step 300
300
#A5C4E5
oklch(80.9% 0.058 250.2)
-
Step 400
400
#74A5D8
oklch(70.7% 0.092 250.2)
-
Step 500
500 (this color)
#4C8CCC
oklch(62.6% 0.118 250.2)
-
Step 600
600
#2E77BB
oklch(55.7% 0.128 250)
-
Step 700
700
#2063A1
oklch(49% 0.119 250.4)
-
Step 800
800
#1D5182
oklch(42.6% 0.098 250.2)
-
Step 900
900
#1E4469
oklch(37.8% 0.077 250)
-
Step 950
950
#13283D
oklch(27.1% 0.048 250)
#4C8CCC 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) | #708FCF | 0.041 |
| Deuteranopia (no green cones) | #5F83CB | 0.029 |
| Tritanopia (no blue cones) | #009BA3 | 0.093 |
| Achromatopsia (no color) | #888888 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C8CCC
#4C8CCC
oklch(62.6% 0.118 250.2)
- #B47A2B
#B47A2B
oklch(62.5% 0.117 70.4)
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 #4C8CCC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.035
- Faded Blue #658CBB ΔE 0.035
- Dark Sky Blue #448EE4 ΔE 0.036
- Water Blue #0E87CC ΔE 0.040
- Steel Blue #4682B4 ΔE 0.043
- Off Blue #5684AE ΔE 0.046
- Dusty Blue #5A86AD ΔE 0.047
- Chefchaouen Blue #4895EF ΔE 0.053
Use #4C8CCC 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.