#4368F9
Closest named color: Neon Blue (#4361EE). oklch(57.7% 0.22 267.8), rgb(67, 104, 249).
Aa
Black text reads best on this color (4.58:1).
About this color
#4368F9 is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.220 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.023 away. Black text reads best on it, at 4.58:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.220) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.58:1 |
| White text | 4.57:1 |
Values
| HEX | #4368F9 |
| RGB | rgb(67, 104, 249) |
| HSL | hsl(228, 94%, 62%) |
| OKLCH | oklch(57.7% 0.22 267.8) |
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 #4368F9 | 4.57:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #4368F9 | 4.58:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #4368F9 text on white | 4.57:1 | AA | Lc 71.2 | Content text, not long reading |
| #4368F9 text on black | 4.58:1 | AA | Lc -30.5 | 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 600.
-
Step 50
50
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFE
oklch(93.6% 0.029 266.4)
-
Step 200
200
#C9D9FF
oklch(88.6% 0.055 267.2)
-
Step 300
300
#A6BFFF
oklch(80.9% 0.095 267.8)
-
Step 400
400
#789BFF
oklch(70.8% 0.152 267.9)
-
Step 500
500
#567DFF
oklch(63% 0.198 267.8)
-
Step 600
600 (this color)
#4368F9
oklch(57.7% 0.22 267.8)
-
Step 700
700
#314FD2
oklch(49.1% 0.204 267.8)
-
Step 800
800
#2842AA
oklch(42.8% 0.169 267.7)
-
Step 900
900
#243986
oklch(37.6% 0.132 267.9)
-
Step 950
950
#15224F
oklch(27% 0.084 268.2)
#4368F9 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) | #007EFE | 0.055 |
| Deuteranopia (no green cones) | #006DF6 | 0.035 |
| Tritanopia (no blue cones) | #008CA6 | 0.174 |
| Achromatopsia (no color) | #757575 | 0.221 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4368F9
#4368F9
oklch(57.7% 0.22 267.8)
- #977400
#977400
oklch(57.7% 0.118 87.5)
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 #4368F9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.023
- Royal Blue #4169E1 ΔE 0.037
- Bright Blue #0165FC ΔE 0.038
- Cerulean Blue #056EEE ΔE 0.039
- Clear Blue #247AFD ΔE 0.043
- Azul #1D5DEC ΔE 0.048
- Warm Blue #4B57DB ΔE 0.058
- Cornflower #6A79F7 ΔE 0.065
Use #4368F9 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.