#4D75F3
Closest named color: Clear Blue (#247AFD). oklch(60.2% 0.194 267.1), rgb(77, 117, 243).
Aa
Black text reads best on this color (5.15:1).
About this color
#4D75F3 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.194 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.032 away. Black text reads best on it, at 5.15:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.194) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.15:1 |
| White text | 4.07:1 |
Values
| HEX | #4D75F3 |
| RGB | rgb(77, 117, 243) |
| HSL | hsl(226, 87%, 63%) |
| OKLCH | oklch(60.2% 0.194 267.1) |
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 #4D75F3 | 4.07:1 | AA large text | Lc -73.0 | Content text, not long reading |
| Black text on #4D75F3 | 5.15:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #4D75F3 text on white | 4.07:1 | AA large text | Lc 67.5 | Content text, not long reading |
| #4D75F3 text on black | 5.15:1 | AA | Lc -34.1 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFD
oklch(93.7% 0.027 267.5)
-
Step 200
200
#C9D9FD
oklch(88.5% 0.053 266.4)
-
Step 300
300
#A5BFFF
oklch(80.9% 0.095 267.2)
-
Step 400
400
#769BFF
oklch(70.7% 0.152 267.2)
-
Step 500
500 (this color)
#4D75F3
oklch(60.2% 0.194 267.1)
-
Step 600
600
#3D63EC
oklch(55.5% 0.211 267.2)
-
Step 700
700
#3051CE
oklch(49.1% 0.197 267.2)
-
Step 800
800
#2843A6
oklch(42.6% 0.163 267.3)
-
Step 900
900
#243A84
oklch(37.7% 0.127 267.4)
-
Step 950
950
#15234D
oklch(27% 0.08 267.1)
#4D75F3 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) | #2186F7 | 0.046 |
| Deuteranopia (no green cones) | #0077F0 | 0.042 |
| Tritanopia (no blue cones) | #0093A9 | 0.157 |
| Achromatopsia (no color) | #7E7E7E | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D75F3
#4D75F3
oklch(60.2% 0.194 267.1)
- #A07B00
#A07B00
oklch(60.2% 0.123 87.4)
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 #4D75F3, closest first.
No curated palette has a color within ΔE 0.04 of #4D75F3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.032
- Cornflower #6A79F7 ΔE 0.037
- Royal Blue #4169E1 ΔE 0.043
- Cerulean Blue #056EEE ΔE 0.050
- Neon Blue #4361EE ΔE 0.051
- Soft Blue #6488EA ΔE 0.061
- Medium Slate Blue #7B68EE ΔE 0.062
- Bright Blue #0165FC ΔE 0.066
Use #4D75F3 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.