#4359E5
Closest named color: Warm Blue (#4B57DB). oklch(53.4% 0.212 270.5), rgb(67, 89, 229).
Aa
White text reads best on this color (5.52:1).
About this color
#4359E5 is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.212 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.018 away. White text reads best on it, at 5.52:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.212) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.79:1 |
| White text | 5.52:1 |
Values
| HEX | #4359E5 |
| RGB | rgb(67, 89, 229) |
| HSL | hsl(232, 76%, 58%) |
| OKLCH | oklch(53.4% 0.212 270.5) |
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 #4359E5 | 5.52:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #4359E5 | 3.79:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #4359E5 text on white | 5.52:1 | AA | Lc 77.0 | Fine for body text |
| #4359E5 text on black | 3.79:1 | AA large text | Lc -24.7 | Dividers and decoration only |
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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CCD8FD
oklch(88.5% 0.053 271.1)
-
Step 300
300
#A9BEFF
oklch(80.9% 0.095 270.4)
-
Step 400
400
#7D99FF
oklch(70.7% 0.152 270.5)
-
Step 500
500
#5F7CFD
oklch(63.2% 0.194 270.4)
-
Step 600
600 (this color)
#4359E5
oklch(53.4% 0.212 270.5)
-
Step 700
700
#3B4ECE
oklch(49.1% 0.197 270.7)
-
Step 800
800
#3041A6
oklch(42.6% 0.163 270.5)
-
Step 900
900
#2A3984
oklch(37.8% 0.127 270.6)
-
Step 950
950
#18224D
oklch(27% 0.08 270.4)
#4359E5 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) | #0070EA | 0.058 |
| Deuteranopia (no green cones) | #0061E2 | 0.041 |
| Tritanopia (no blue cones) | #007D97 | 0.169 |
| Achromatopsia (no color) | #696969 | 0.212 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4359E5
#4359E5
oklch(53.4% 0.212 270.5)
- #856900
#856900
oklch(53.3% 0.109 90.3)
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 #4359E5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.018
- Neon Blue #4361EE ΔE 0.023
- Azul #1D5DEC ΔE 0.032
- Royal Blue #4169E1 ΔE 0.038
- Bright Blue #0165FC ΔE 0.053
- Cerulean Blue #056EEE ΔE 0.055
- Electric Blue #0652FF ΔE 0.059
- Dark Periwinkle #665FD1 ΔE 0.059
Use #4359E5 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.