#4FA6DB
Closest named color: Turquoise Blue (#06B1C4). oklch(69.4% 0.114 238.3), rgb(79, 166, 219).
Aa
Black text reads best on this color (7.80:1).
About this color
#4FA6DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.114 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.060 away. Black text reads best on it, at 7.80:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.80:1 |
| White text | 2.68:1 |
Values
| HEX | #4FA6DB |
| RGB | rgb(79, 166, 219) |
| HSL | hsl(203, 66%, 58%) |
| OKLCH | oklch(69.4% 0.114 238.3) |
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 #4FA6DB | 2.68:1 | Fails | Lc -57.2 | Large or bold text, headings |
| Black text on #4FA6DB | 7.80:1 | AAA | Lc 52.1 | Large or bold text, headings |
| #4FA6DB text on white | 2.68:1 | Fails | Lc 52.0 | Large or bold text, headings |
| #4FA6DB text on black | 7.80:1 | AAA | Lc -49.9 | 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
#F0F7FB
oklch(97.2% 0.009 232.4)
-
Step 100
100
#DEECF6
oklch(93.6% 0.02 238.7)
-
Step 200
200
#C2DEF1
oklch(88.6% 0.04 237.6)
-
Step 300
300
#95C8EA
oklch(80.9% 0.072 238)
-
Step 400
400 (this color)
#4FA6DB
oklch(69.4% 0.114 238.3)
-
Step 500
500
#0093D4
oklch(63% 0.141 238.5)
-
Step 600
600
#007CB3
oklch(55.7% 0.124 238.2)
-
Step 700
700
#006897
oklch(49.1% 0.109 238.1)
-
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
#002A40
oklch(27% 0.06 237.8)
#4FA6DB 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) | #8DA6DD | 0.064 |
| Deuteranopia (no green cones) | #7A98DA | 0.053 |
| Tritanopia (no blue cones) | #00B3B8 | 0.080 |
| Achromatopsia (no color) | #9E9E9E | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FA6DB
#4FA6DB
oklch(69.4% 0.114 238.3)
- #D18A50
#D18A50
oklch(69.4% 0.114 58.6)
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 #4FA6DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.060
- Cornflower Blue #6495ED ΔE 0.061
- Greyblue #77A1B5 ΔE 0.062
- Chefchaouen Blue #4895EF ΔE 0.062
- Dark Sky Blue #448EE4 ΔE 0.073
- Deep Sky Blue #00BFFF ΔE 0.075
- Faded Blue #658CBB ΔE 0.075
- Bluegrey #85A3B2 ΔE 0.075
Use #4FA6DB 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.