#3A7EFD
Closest named color: Clear Blue (#247AFD). oklch(61.9% 0.202 261.5), rgb(58, 126, 253).
Aa
Black text reads best on this color (5.58:1).
About this color
#3A7EFD is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.202 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.018 away. Black text reads best on it, at 5.58:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.202) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.58:1 |
| White text | 3.76:1 |
Values
| HEX | #3A7EFD |
| RGB | rgb(58, 126, 253) |
| HSL | hsl(219, 98%, 61%) |
| OKLCH | oklch(61.9% 0.202 261.5) |
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 #3A7EFD | 3.76:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #3A7EFD | 5.58:1 | AA | Lc 39.4 | Non-text elements, placeholder text |
| #3A7EFD text on white | 3.76:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #3A7EFD text on black | 5.58:1 | AA | Lc -37.0 | 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#DFEBFE
oklch(93.7% 0.029 259.6)
-
Step 200
200
#C5DAFE
oklch(88.4% 0.055 261.2)
-
Step 300
300
#9EC1FF
oklch(80.8% 0.096 261.6)
-
Step 400
400
#699EFF
oklch(70.6% 0.153 261.6)
-
Step 500
500 (this color)
#3A7EFD
oklch(61.9% 0.202 261.5)
-
Step 600
600
#1C67F1
oklch(55.7% 0.22 261.5)
-
Step 700
700
#0E54D1
oklch(49% 0.204 261.4)
-
Step 800
800
#1046A9
oklch(42.7% 0.168 261.4)
-
Step 900
900
#153C86
oklch(37.7% 0.132 261.6)
-
Step 950
950
#0D244E
oklch(27% 0.083 261.2)
#3A7EFD 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) | #2C8DFF | 0.037 |
| Deuteranopia (no green cones) | #007BFA | 0.027 |
| Tritanopia (no blue cones) | #009DB2 | 0.157 |
| Achromatopsia (no color) | #848484 | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A7EFD
#3A7EFD
oklch(61.9% 0.202 261.5)
- #AC7C00
#AC7C00
oklch(61.8% 0.128 81.3)
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 #3A7EFD, closest first.
No curated palette has a color within ΔE 0.04 of #3A7EFD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.018
- Dodger Blue #1E90FF ΔE 0.045
- Cornflower #6A79F7 ΔE 0.048
- Cerulean Blue #056EEE ΔE 0.056
- Soft Blue #6488EA ΔE 0.059
- Dark Sky Blue #448EE4 ΔE 0.061
- Royal Blue #4169E1 ΔE 0.063
- Chefchaouen Blue #4895EF ΔE 0.069
Use #3A7EFD 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.