#4B9DCB
Closest named color: Faded Blue (#658CBB). oklch(66.4% 0.105 236), rgb(75, 157, 203).
Aa
Black text reads best on this color (6.98:1).
About this color
#4B9DCB is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.105 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.049 away. Black text reads best on it, at 6.98:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.98:1 |
| White text | 3.00:1 |
Values
| HEX | #4B9DCB |
| RGB | rgb(75, 157, 203) |
| HSL | hsl(202, 55%, 55%) |
| OKLCH | oklch(66.4% 0.105 236) |
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 #4B9DCB | 3.00:1 | AA large text | Lc -61.9 | Content text, not long reading |
| Black text on #4B9DCB | 6.98:1 | AA | Lc 47.5 | Large or bold text, headings |
| #4B9DCB text on white | 3.00:1 | AA large text | Lc 56.5 | Large or bold text, headings |
| #4B9DCB text on black | 6.98:1 | AA | Lc -45.2 | 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 500.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DDEA
oklch(88.6% 0.029 234.9)
-
Step 300
300
#A2C6DE
oklch(80.8% 0.051 237.5)
-
Step 400
400
#6CA9CD
oklch(70.7% 0.082 235.5)
-
Step 500
500 (this color)
#4B9DCB
oklch(66.4% 0.105 236)
-
Step 600
600
#147CAD
oklch(55.6% 0.115 236.4)
-
Step 700
700
#006994
oklch(49.2% 0.105 235.5)
-
Step 800
800
#0A5578
oklch(42.6% 0.088 236.2)
-
Step 900
900
#154761
oklch(37.8% 0.068 235.7)
-
Step 950
950
#0E2A39
oklch(27.1% 0.044 235)
#4B9DCB 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) | #879CCD | 0.063 |
| Deuteranopia (no green cones) | #768FCA | 0.054 |
| Tritanopia (no blue cones) | #00A9AC | 0.073 |
| Achromatopsia (no color) | #959595 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B9DCB
#4B9DCB
oklch(66.4% 0.105 236)
- #C48251
#C48251
oklch(66.4% 0.104 56.4)
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 #4B9DCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.049
- Greyblue #77A1B5 ΔE 0.056
- Dark Sky Blue #448EE4 ΔE 0.063
- Chefchaouen Blue #4895EF ΔE 0.064
- Turquoise Blue #06B1C4 ΔE 0.064
- Cornflower Blue #6495ED ΔE 0.066
- Silver Lake Blue #778DA9 ΔE 0.066
- Cadet Blue #5F9EA0 ΔE 0.067
Use #4B9DCB 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.