#4B9EC6
Closest named color: Greyblue (#77A1B5). oklch(66.4% 0.1 231.9), rgb(75, 158, 198).
Aa
Black text reads best on this color (7.00:1).
About this color
#4B9EC6 is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.100 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 7.00:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.00:1 |
| White text | 2.99:1 |
Values
| HEX | #4B9EC6 |
| RGB | rgb(75, 158, 198) |
| HSL | hsl(200, 52%, 54%) |
| OKLCH | oklch(66.4% 0.1 231.9) |
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 #4B9EC6 | 2.99:1 | Fails | Lc -61.8 | Content text, not long reading |
| Black text on #4B9EC6 | 7.00:1 | AAA | Lc 47.6 | Large or bold text, headings |
| #4B9EC6 text on white | 2.99:1 | Fails | Lc 56.4 | Large or bold text, headings |
| #4B9EC6 text on black | 7.00:1 | AAA | Lc -45.4 | 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
#C8DDE8
oklch(88.5% 0.027 230.4)
-
Step 300
300
#A2C7DB
oklch(80.9% 0.049 231.7)
-
Step 400
400
#6DAAC9
oklch(70.8% 0.078 231.5)
-
Step 500
500 (this color)
#4B9EC6
oklch(66.4% 0.1 231.9)
-
Step 600
600
#137DA7
oklch(55.5% 0.108 231.9)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#095675
oklch(42.7% 0.084 232.5)
-
Step 900
900
#15475E
oklch(37.6% 0.065 232.4)
-
Step 950
950
#0E2A37
oklch(27% 0.041 231.2)
#4B9EC6 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) | #8A9CC8 | 0.067 |
| Deuteranopia (no green cones) | #798FC5 | 0.058 |
| Tritanopia (no blue cones) | #00A9AB | 0.067 |
| Achromatopsia (no color) | #959595 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B9EC6
#4B9EC6
oklch(66.4% 0.1 231.9)
- #C48158
#C48158
oklch(66.3% 0.1 51.7)
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 #4B9EC6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.051
- Faded Blue #658CBB ΔE 0.051
- Turquoise Blue #06B1C4 ΔE 0.058
- Cadet Blue #5F9EA0 ΔE 0.058
- Silver Lake Blue #778DA9 ΔE 0.064
- Blue Grey #758DA3 ΔE 0.067
- Dusty Blue #5A86AD ΔE 0.068
- Bluegrey #85A3B2 ΔE 0.069
Use #4B9EC6 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.