#4BA1CB
Closest named color: Greyblue (#77A1B5). oklch(67.3% 0.103 232.4), rgb(75, 161, 203).
Aa
Black text reads best on this color (7.25:1).
About this color
#4BA1CB is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.103 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.051 away. Black text reads best on it, at 7.25:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.25:1 |
| White text | 2.89:1 |
Values
| HEX | #4BA1CB |
| RGB | rgb(75, 161, 203) |
| HSL | hsl(200, 55%, 55%) |
| OKLCH | oklch(67.3% 0.103 232.4) |
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 #4BA1CB | 2.89:1 | Fails | Lc -60.3 | Content text, not long reading |
| Black text on #4BA1CB | 7.25:1 | AAA | Lc 49.1 | Large or bold text, headings |
| #4BA1CB text on white | 2.89:1 | Fails | Lc 55.0 | Large or bold text, headings |
| #4BA1CB text on black | 7.25:1 | AAA | Lc -46.8 | 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
#C3DEED
oklch(88.5% 0.035 232.1)
-
Step 300
300
#97C9E4
oklch(81% 0.065 232.2)
-
Step 400
400 (this color)
#4BA1CB
oklch(67.3% 0.103 232.4)
-
Step 500
500
#0095CA
oklch(63% 0.13 232.7)
-
Step 600
600
#007EAA
oklch(55.7% 0.113 231.8)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950
#012B3C
oklch(27.1% 0.054 230.9)
#4BA1CB 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) | #8C9FCD | 0.068 |
| Deuteranopia (no green cones) | #7B92CA | 0.059 |
| Tritanopia (no blue cones) | #00ACAF | 0.067 |
| Achromatopsia (no color) | #989898 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4BA1CB
#4BA1CB
oklch(67.3% 0.103 232.4)
- #C88458
#C88458
oklch(67.4% 0.103 53)
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 #4BA1CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.051
- Turquoise Blue #06B1C4 ΔE 0.054
- Faded Blue #658CBB ΔE 0.058
- Cadet Blue #5F9EA0 ΔE 0.063
- Bluegrey #85A3B2 ΔE 0.068
- Chefchaouen Blue #4895EF ΔE 0.071
- Silver Lake Blue #778DA9 ΔE 0.071
- Bluey Grey #89A0B0 ΔE 0.071
Use #4BA1CB 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.