#3A97F4
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.6% 0.163 251.7), rgb(58, 151, 244).
Aa
Black text reads best on this color (6.91:1).
About this color
#3A97F4 is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.163 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.011 away. Black text reads best on it, at 6.91:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.91:1 |
| White text | 3.03:1 |
Values
| HEX | #3A97F4 |
| RGB | rgb(58, 151, 244) |
| HSL | hsl(210, 89%, 59%) |
| OKLCH | oklch(66.6% 0.163 251.7) |
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 #3A97F4 | 3.03:1 | AA large text | Lc -62.1 | Content text, not long reading |
| Black text on #3A97F4 | 6.91:1 | AA | Lc 47.3 | Large or bold text, headings |
| #3A97F4 text on white | 3.03:1 | AA large text | Lc 56.8 | Large or bold text, headings |
| #3A97F4 text on black | 6.91:1 | AA | Lc -45.0 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
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
#9BC5F3
oklch(81% 0.079 251.1)
-
Step 400
400
#61A5ED
oklch(70.7% 0.127 251.3)
-
Step 500
500 (this color)
#3A97F4
oklch(66.6% 0.163 251.7)
-
Step 600
600
#0074CF
oklch(55.5% 0.165 251.7)
-
Step 700
700
#0061AF
oklch(49% 0.146 251.8)
-
Step 800
800
#005091
oklch(42.8% 0.126 251.5)
-
Step 900
900
#074278
oklch(37.6% 0.107 252.2)
-
Step 950
950
#082746
oklch(26.9% 0.068 251.9)
#3A97F4 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) | #6B9DF8 | 0.047 |
| Deuteranopia (no green cones) | #4E8CF2 | 0.030 |
| Tritanopia (no blue cones) | #00ADBA | 0.121 |
| Achromatopsia (no color) | #949494 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A97F4
#3A97F4
oklch(66.6% 0.163 251.7)
- #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 #3A97F4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.011
- Dark Sky Blue #448EE4 ΔE 0.030
- Dodger Blue #1E90FF ΔE 0.031
- Cornflower Blue #6495ED ΔE 0.035
- Soft Blue #6488EA ΔE 0.048
- Water Blue #0E87CC ΔE 0.075
- Clear Blue #247AFD ΔE 0.082
- Cornflower #6A79F7 ΔE 0.082
Use #3A97F4 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.