#4E97E5
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.5% 0.138 252), rgb(78, 151, 229).
Aa
Black text reads best on this color (6.88:1).
About this color
#4E97E5 is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.138 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.018 away. Black text reads best on it, at 6.88:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.88:1 |
| White text | 3.05:1 |
Values
| HEX | #4E97E5 |
| RGB | rgb(78, 151, 229) |
| HSL | hsl(211, 74%, 60%) |
| OKLCH | oklch(66.5% 0.138 252) |
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 #4E97E5 | 3.05:1 | AA large text | Lc -62.5 | Content text, not long reading |
| Black text on #4E97E5 | 6.88:1 | AA | Lc 47.0 | Large or bold text, headings |
| #4E97E5 text on white | 3.05:1 | AA large text | Lc 57.1 | Large or bold text, headings |
| #4E97E5 text on black | 6.88:1 | AA | Lc -44.7 | Non-text elements, placeholder text |
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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C8DBF2
oklch(88.4% 0.038 253.2)
-
Step 300
300
#A1C4EC
oklch(80.9% 0.068 252)
-
Step 400
400
#6DA5E2
oklch(70.8% 0.108 251.5)
-
Step 500
500 (this color)
#4E97E5
oklch(66.5% 0.138 252)
-
Step 600
600
#1F75C7
oklch(55.6% 0.149 251.9)
-
Step 700
700
#0F62AC
oklch(49.2% 0.139 251.8)
-
Step 800
800
#12508B
oklch(42.7% 0.115 251.9)
-
Step 900
900
#18436F
oklch(37.7% 0.089 251.8)
-
Step 950
950
#0F2741
oklch(26.8% 0.057 252.3)
#4E97E5 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) | #759BE8 | 0.042 |
| Deuteranopia (no green cones) | #608DE3 | 0.029 |
| Tritanopia (no blue cones) | #00A9B3 | 0.108 |
| Achromatopsia (no color) | #949494 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E97E5
#4E97E5
oklch(66.5% 0.138 252)
- #C78313
#C78313
oklch(66.4% 0.138 71.6)
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 #4E97E5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.018
- Cornflower Blue #6495ED ΔE 0.025
- Dark Sky Blue #448EE4 ΔE 0.027
- Soft Blue #6488EA ΔE 0.045
- Dodger Blue #1E90FF ΔE 0.054
- Faded Blue #658CBB ΔE 0.064
- Water Blue #0E87CC ΔE 0.070
- Perrywinkle #8F8CE7 ΔE 0.076
Use #4E97E5 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.