#4B8CD1
Closest named color: Dark Sky Blue (#448EE4). oklch(62.8% 0.124 251.6), rgb(75, 140, 209).
Aa
Black text reads best on this color (5.97:1).
About this color
#4B8CD1 is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.124 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.028 away. Black text reads best on it, at 5.97:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.97:1 |
| White text | 3.51:1 |
Values
| HEX | #4B8CD1 |
| RGB | rgb(75, 140, 209) |
| HSL | hsl(211, 59%, 56%) |
| OKLCH | oklch(62.8% 0.124 251.6) |
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 #4B8CD1 | 3.51:1 | AA large text | Lc -68.0 | Content text, not long reading |
| Black text on #4B8CD1 | 5.97:1 | AA | Lc 41.6 | Non-text elements, placeholder text |
| #4B8CD1 text on white | 3.51:1 | AA large text | Lc 62.5 | Content text, not long reading |
| #4B8CD1 text on black | 5.97:1 | AA | Lc -39.2 | 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
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#C9DBEF
oklch(88.4% 0.034 251)
-
Step 300
300
#A4C4E7
oklch(80.9% 0.061 250.9)
-
Step 400
400
#73A5DC
oklch(70.8% 0.097 251.6)
-
Step 500
500 (this color)
#4B8CD1
oklch(62.8% 0.124 251.6)
-
Step 600
600
#2C76BF
oklch(55.7% 0.135 251.4)
-
Step 700
700
#1E62A5
oklch(49% 0.126 251.9)
-
Step 800
800
#1C5186
oklch(42.8% 0.104 251.6)
-
Step 900
900
#1D436B
oklch(37.6% 0.081 251.9)
-
Step 950
950
#12283F
oklch(27.1% 0.051 251.2)
#4B8CD1 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) | #6E90D4 | 0.040 |
| Deuteranopia (no green cones) | #5C83D0 | 0.027 |
| Tritanopia (no blue cones) | #009CA5 | 0.098 |
| Achromatopsia (no color) | #898989 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B8CD1
#4B8CD1
oklch(62.8% 0.124 251.6)
- #B67A1F
#B67A1F
oklch(62.7% 0.124 71.7)
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 #4B8CD1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.028
- Water Blue #0E87CC ΔE 0.040
- Cool Blue #4984B8 ΔE 0.041
- Faded Blue #658CBB ΔE 0.041
- Chefchaouen Blue #4895EF ΔE 0.047
- Steel Blue #4682B4 ΔE 0.049
- Soft Blue #6488EA ΔE 0.049
- Off Blue #5684AE ΔE 0.053
Use #4B8CD1 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.