#4BA3CC
Closest named color: Greyblue (#77A1B5). oklch(67.8% 0.103 231.2), rgb(75, 163, 204).
Aa
Black text reads best on this color (7.40:1).
About this color
#4BA3CC is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.103 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.050 away. Black text reads best on it, at 7.40:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.40:1 |
| White text | 2.83:1 |
Values
| HEX | #4BA3CC |
| RGB | rgb(75, 163, 204) |
| HSL | hsl(199, 56%, 55%) |
| OKLCH | oklch(67.8% 0.103 231.2) |
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 #4BA3CC | 2.83:1 | Fails | Lc -59.4 | Large or bold text, headings |
| Black text on #4BA3CC | 7.40:1 | AAA | Lc 49.9 | Large or bold text, headings |
| #4BA3CC text on white | 2.83:1 | Fails | Lc 54.1 | Large or bold text, headings |
| #4BA3CC text on black | 7.40:1 | AAA | Lc -47.7 | 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
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DEECF4
oklch(93.5% 0.018 232.5)
-
Step 200
200
#C2DEED
oklch(88.5% 0.036 231.1)
-
Step 300
300
#96C9E3
oklch(80.9% 0.065 230.7)
-
Step 400
400 (this color)
#4BA3CC
oklch(67.8% 0.103 231.2)
-
Step 500
500
#0096C8
oklch(63.1% 0.127 231)
-
Step 600
600
#007EA9
oklch(55.6% 0.112 231.2)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005775
oklch(42.8% 0.086 230.3)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950
#002B3C
oklch(27.1% 0.054 230.4)
#4BA3CC 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) | #8EA1CE | 0.070 |
| Deuteranopia (no green cones) | #7D94CB | 0.060 |
| Tritanopia (no blue cones) | #00AEB1 | 0.066 |
| Achromatopsia (no color) | #999999 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4BA3CC
#4BA3CC
oklch(67.8% 0.103 231.2)
- #CB855B
#CB855B
oklch(68% 0.104 51.2)
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 #4BA3CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.050
- Turquoise Blue #06B1C4 ΔE 0.050
- Faded Blue #658CBB ΔE 0.063
- Cadet Blue #5F9EA0 ΔE 0.064
- Bluegrey #85A3B2 ΔE 0.066
- Bluey Grey #89A0B0 ΔE 0.070
- Chefchaouen Blue #4895EF ΔE 0.073
- Cornflower Blue #6495ED ΔE 0.073
Use #4BA3CC 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.