#4E9DD1
Closest named color: Faded Blue (#658CBB). oklch(66.8% 0.11 240.1), rgb(78, 157, 209).
Aa
Black text reads best on this color (7.06:1).
About this color
#4E9DD1 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.110 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.051 away. Black text reads best on it, at 7.06:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 7.06:1 |
| White text | 2.97:1 |
Values
| HEX | #4E9DD1 |
| RGB | rgb(78, 157, 209) |
| HSL | hsl(204, 59%, 56%) |
| OKLCH | oklch(66.8% 0.11 240.1) |
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 #4E9DD1 | 2.97:1 | Fails | Lc -61.4 | Content text, not long reading |
| Black text on #4E9DD1 | 7.06:1 | AAA | Lc 48.0 | Large or bold text, headings |
| #4E9DD1 text on white | 2.97:1 | Fails | Lc 56.1 | Large or bold text, headings |
| #4E9DD1 text on black | 7.06:1 | AAA | Lc -45.7 | 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 500.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DCEB
oklch(88.4% 0.03 240.2)
-
Step 300
300
#A2C6E0
oklch(80.9% 0.053 239.7)
-
Step 400
400
#6DA8D1
oklch(70.7% 0.086 239.9)
-
Step 500
500 (this color)
#4E9DD1
oklch(66.8% 0.11 240.1)
-
Step 600
600
#197BB1
oklch(55.6% 0.119 239.7)
-
Step 700
700
#056799
oklch(49% 0.111 240.4)
-
Step 800
800
#0E547C
oklch(42.6% 0.092 240.7)
-
Step 900
900
#164664
oklch(37.7% 0.072 240.3)
-
Step 950
950
#0F293A
oklch(26.9% 0.045 240)
#4E9DD1 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) | #859DD3 | 0.058 |
| Deuteranopia (no green cones) | #7390D0 | 0.048 |
| Tritanopia (no blue cones) | #00AAAF | 0.079 |
| Achromatopsia (no color) | #969696 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E9DD1
#4E9DD1
oklch(66.8% 0.11 240.1)
- #C6844A
#C6844A
oklch(66.9% 0.11 60.5)
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 #4E9DD1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.051
- Chefchaouen Blue #4895EF ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.056
- Dark Sky Blue #448EE4 ΔE 0.057
- Greyblue #77A1B5 ΔE 0.060
- Turquoise Blue #06B1C4 ΔE 0.069
- Silver Lake Blue #778DA9 ΔE 0.071
- Dusty Blue #5A86AD ΔE 0.073
Use #4E9DD1 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.