#3B7CFF
Closest named color: Clear Blue (#247AFD). oklch(61.7% 0.206 262.3), rgb(59, 124, 255).
Aa
Black text reads best on this color (5.51:1).
About this color
#3B7CFF is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.206 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.016 away. Black text reads best on it, at 5.51:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.206) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.51:1 |
| White text | 3.80:1 |
Values
| HEX | #3B7CFF |
| RGB | rgb(59, 124, 255) |
| HSL | hsl(220, 100%, 62%) |
| OKLCH | oklch(61.7% 0.206 262.3) |
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 #3B7CFF | 3.80:1 | AA large text | Lc -70.6 | Content text, not long reading |
| Black text on #3B7CFF | 5.51:1 | AA | Lc 39.0 | Non-text elements, placeholder text |
| #3B7CFF text on white | 3.80:1 | AA large text | Lc 65.1 | Content text, not long reading |
| #3B7CFF text on black | 5.51:1 | AA | Lc -36.6 | 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#DFEAFE
oklch(93.5% 0.03 262.5)
-
Step 200
200
#C5DAFF
oklch(88.5% 0.056 261.8)
-
Step 300
300
#9FC1FF
oklch(80.9% 0.096 262.2)
-
Step 400
400
#6B9EFF
oklch(70.7% 0.153 262.2)
-
Step 500
500 (this color)
#3B7CFF
oklch(61.7% 0.206 262.3)
-
Step 600
600
#1F65F4
oklch(55.6% 0.225 262.3)
-
Step 700
700
#1353D4
oklch(49.2% 0.208 262.3)
-
Step 800
800
#1245AB
oklch(42.7% 0.172 262.1)
-
Step 900
900
#163B88
oklch(37.6% 0.136 262.5)
-
Step 950
950
#0E244F
oklch(27.1% 0.084 262)
#3B7CFF 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) | #1F8CFF | 0.040 |
| Deuteranopia (no green cones) | #007AFC | 0.026 |
| Tritanopia (no blue cones) | #009CB2 | 0.161 |
| Achromatopsia (no color) | #838383 | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B7CFF
#3B7CFF
oklch(61.7% 0.206 262.3)
- #AB7C00
#AB7C00
oklch(61.7% 0.127 81.9)
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 #3B7CFF, closest first.
No curated palette has a color within ΔE 0.04 of #3B7CFF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.016
- Cornflower #6A79F7 ΔE 0.048
- Dodger Blue #1E90FF ΔE 0.050
- Cerulean Blue #056EEE ΔE 0.054
- Royal Blue #4169E1 ΔE 0.062
- Soft Blue #6488EA ΔE 0.063
- Bright Blue #0165FC ΔE 0.067
- Neon Blue #4361EE ΔE 0.067
Use #3B7CFF 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.