#3E97F2
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.6% 0.159 251.9), rgb(62, 151, 242).
Aa
Black text reads best on this color (6.91:1).
About this color
#3E97F2 is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.159 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.008 away. Black text reads best on it, at 6.91:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.159) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.91:1 |
| White text | 3.03:1 |
Values
| HEX | #3E97F2 |
| RGB | rgb(62, 151, 242) |
| HSL | hsl(210, 87%, 60%) |
| OKLCH | oklch(66.6% 0.159 251.9) |
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 #3E97F2 | 3.03:1 | AA large text | Lc -62.1 | Content text, not long reading |
| Black text on #3E97F2 | 6.91:1 | AA | Lc 47.3 | Large or bold text, headings |
| #3E97F2 text on white | 3.03:1 | AA large text | Lc 56.8 | Large or bold text, headings |
| #3E97F2 text on black | 6.91:1 | 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
#DFEBF9
oklch(93.5% 0.023 252.2)
-
Step 200
200
#C5DCF6
oklch(88.6% 0.044 251.5)
-
Step 300
300
#9CC4F2
oklch(80.8% 0.078 252.3)
-
Step 400
400
#63A5EC
oklch(70.8% 0.125 251.6)
-
Step 500
500 (this color)
#3E97F2
oklch(66.6% 0.159 251.9)
-
Step 600
600
#0074D0
oklch(55.6% 0.166 251.9)
-
Step 700
700
#0061B0
oklch(49% 0.147 252)
-
Step 800
800
#004F92
oklch(42.6% 0.129 252.3)
-
Step 900
900
#0B4276
oklch(37.6% 0.104 252.1)
-
Step 950
950
#0A2745
oklch(26.9% 0.066 252.2)
#3E97F2 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) | #6C9DF6 | 0.046 |
| Deuteranopia (no green cones) | #518CF0 | 0.030 |
| Tritanopia (no blue cones) | #00ADB9 | 0.121 |
| Achromatopsia (no color) | #949494 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E97F2
#3E97F2
oklch(66.6% 0.159 251.9)
- #C98300
#C98300
oklch(66.6% 0.143 71.9)
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 #3E97F2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.008
- Dark Sky Blue #448EE4 ΔE 0.028
- Cornflower Blue #6495ED ΔE 0.032
- Dodger Blue #1E90FF ΔE 0.034
- Soft Blue #6488EA ΔE 0.046
- Water Blue #0E87CC ΔE 0.074
- Cornflower #6A79F7 ΔE 0.082
- Clear Blue #247AFD ΔE 0.083
Use #3E97F2 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.