#4B9DCA
Closest named color: Faded Blue (#658CBB). oklch(66.4% 0.104 235.4), rgb(75, 157, 202).
Aa
Black text reads best on this color (6.97:1).
About this color
#4B9DCA is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.104 and its hue 235°. 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 6.97:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.97:1 |
| White text | 3.01:1 |
Values
| HEX | #4B9DCA |
| RGB | rgb(75, 157, 202) |
| HSL | hsl(201, 55%, 54%) |
| OKLCH | oklch(66.4% 0.104 235.4) |
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 #4B9DCA | 3.01:1 | AA large text | Lc -61.9 | Content text, not long reading |
| Black text on #4B9DCA | 6.97:1 | AA | Lc 47.5 | Large or bold text, headings |
| #4B9DCA text on white | 3.01:1 | AA large text | Lc 56.6 | Large or bold text, headings |
| #4B9DCA text on black | 6.97:1 | 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
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C8DDE9
oklch(88.6% 0.028 232.7)
-
Step 300
300
#A2C7DD
oklch(81% 0.05 234.3)
-
Step 400
400
#6DA9CC
oklch(70.7% 0.081 235.1)
-
Step 500
500 (this color)
#4B9DCA
oklch(66.4% 0.104 235.4)
-
Step 600
600
#147CAC
oklch(55.5% 0.114 235.8)
-
Step 700
700
#006993
oklch(49.2% 0.104 234.9)
-
Step 800
800
#0A5678
oklch(42.8% 0.087 235.1)
-
Step 900
900
#154760
oklch(37.7% 0.067 234.6)
-
Step 950
950
#0E2A38
oklch(27.1% 0.042 233.2)
#4B9DCA 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) | #889CCC | 0.064 |
| Deuteranopia (no green cones) | #768FC9 | 0.054 |
| Tritanopia (no blue cones) | #00A9AC | 0.072 |
| Achromatopsia (no color) | #959595 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B9DCA
#4B9DCA
oklch(66.4% 0.104 235.4)
- #C48252
#C48252
oklch(66.4% 0.104 55.9)
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 #4B9DCA, 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 0.055
- Turquoise Blue #06B1C4 ΔE 0.063
- Dark Sky Blue #448EE4 ΔE 0.065
- Chefchaouen Blue #4895EF ΔE 0.065
- Cadet Blue #5F9EA0 ΔE 0.065
- Silver Lake Blue #778DA9 ΔE 0.066
- Cornflower Blue #6495ED ΔE 0.067
Use #4B9DCA 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.