#4FA0D3
Closest named color: Greyblue (#77A1B5). oklch(67.6% 0.109 238.9), rgb(79, 160, 211).
Aa
Black text reads best on this color (7.30:1).
About this color
#4FA0D3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.109 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.058 away. Black text reads best on it, at 7.30:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.30:1 |
| White text | 2.87:1 |
Values
| HEX | #4FA0D3 |
| RGB | rgb(79, 160, 211) |
| HSL | hsl(203, 60%, 57%) |
| OKLCH | oklch(67.6% 0.109 238.9) |
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 #4FA0D3 | 2.87:1 | Fails | Lc -60.1 | Content text, not long reading |
| Black text on #4FA0D3 | 7.30:1 | AAA | Lc 49.3 | Large or bold text, headings |
| #4FA0D3 text on white | 2.87:1 | Fails | Lc 54.8 | Large or bold text, headings |
| #4FA0D3 text on black | 7.30:1 | AAA | Lc -47.1 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DEECF6
oklch(93.6% 0.02 238.7)
-
Step 200
200
#C3DDF0
oklch(88.4% 0.038 239.6)
-
Step 300
300
#98C7E8
oklch(80.8% 0.068 239.3)
-
Step 400
400 (this color)
#4FA0D3
oklch(67.6% 0.109 238.9)
-
Step 500
500
#0B93D4
oklch(63.1% 0.14 238.9)
-
Step 600
600
#007BB4
oklch(55.5% 0.126 239.3)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#004769
oklch(37.8% 0.084 238.3)
-
Step 950
950
#032A3F
oklch(27.1% 0.057 238)
#4FA0D3 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) | #89A0D5 | 0.061 |
| Deuteranopia (no green cones) | #7692D2 | 0.051 |
| Tritanopia (no blue cones) | #00ADB1 | 0.079 |
| Achromatopsia (no color) | #989898 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FA0D3
#4FA0D3
oklch(67.6% 0.109 238.9)
- #C9864E
#C9864E
oklch(67.7% 0.11 59.3)
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 #4FA0D3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.058
- Chefchaouen Blue #4895EF ΔE 0.058
- Cornflower Blue #6495ED ΔE 0.058
- Faded Blue #658CBB ΔE 0.058
- Dark Sky Blue #448EE4 ΔE 0.063
- Turquoise Blue #06B1C4 ΔE 0.064
- Bluegrey #85A3B2 ΔE 0.074
- Silver Lake Blue #778DA9 ΔE 0.075
Use #4FA0D3 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.