#4E97E9
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.7% 0.143 253), rgb(78, 151, 233).
Aa
Black text reads best on this color (6.92:1).
About this color
#4E97E9 is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.143 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.012 away. Black text reads best on it, at 6.92:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.92:1 |
| White text | 3.03:1 |
Values
| HEX | #4E97E9 |
| RGB | rgb(78, 151, 233) |
| HSL | hsl(212, 78%, 61%) |
| OKLCH | oklch(66.7% 0.143 253) |
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 #4E97E9 | 3.03:1 | AA large text | Lc -62.2 | Content text, not long reading |
| Black text on #4E97E9 | 6.92:1 | AA | Lc 47.2 | Large or bold text, headings |
| #4E97E9 text on white | 3.03:1 | AA large text | Lc 56.8 | Large or bold text, headings |
| #4E97E9 text on black | 6.92:1 | AA | Lc -45.0 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C8DBF3
oklch(88.5% 0.039 254.3)
-
Step 300
300
#A1C4ED
oklch(80.9% 0.069 252.7)
-
Step 400
400
#6DA4E5
oklch(70.7% 0.112 253.4)
-
Step 500
500 (this color)
#4E97E9
oklch(66.7% 0.143 253)
-
Step 600
600
#1E74CB
oklch(55.6% 0.156 253.1)
-
Step 700
700
#0E61AF
oklch(49.1% 0.144 252.9)
-
Step 800
800
#114F8E
oklch(42.6% 0.12 253.3)
-
Step 900
900
#174371
oklch(37.8% 0.092 252.4)
-
Step 950
950
#0F2742
oklch(26.9% 0.059 253.1)
#4E97E9 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) | #739CEC | 0.041 |
| Deuteranopia (no green cones) | #5D8DE7 | 0.028 |
| Tritanopia (no blue cones) | #00AAB5 | 0.112 |
| Achromatopsia (no color) | #949494 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E97E9
#4E97E9
oklch(66.7% 0.143 253)
- #C88400
#C88400
oklch(66.7% 0.142 73)
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 #4E97E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.012
- Cornflower Blue #6495ED ΔE 0.022
- Dark Sky Blue #448EE4 ΔE 0.027
- Soft Blue #6488EA ΔE 0.042
- Dodger Blue #1E90FF ΔE 0.050
- Faded Blue #658CBB ΔE 0.070
- Water Blue #0E87CC ΔE 0.073
- Perrywinkle #8F8CE7 ΔE 0.075
Use #4E97E9 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.