#4357DC#4357DC

#4357DC is a mid, highly saturated blue. Relative luminance 0.132; OKLCH L 52.3% C 0.203 H 271.0°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#4357DC
RGB	rgb(67, 87, 220)
HSL	hsl(232, 69%, 56%)
HSV	hsv(232, 70%, 86%)
CMYK	cmyk(69.5%, 60.5%, 0%, 13.7%)
CIE-LAB	lab(43.03, 36.06, -70.23)
CIE-LCH	lch(43.03, 78.95, 297.18°)
OKLab	oklab(52.3% 0.0036 -0.2026)
OKLCH	oklch(52.3% 0.203 271)
XYZ	xyz(18.6368, 13.1752, 69.2572)
Luminance	0.1318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4357DC #DCC843

analogous

#43A4DC #4357DC #7C43DC

triadic

#4357DC #DC4357 #57DC43

tetradic

#4357DC #DC43A4 #DCC843 #43DC7C

square

#4357DC #DC43A4 #DCC843 #43DC7C

split-complementary

#4357DC #DC7C43 #A4DC43

monochromatic

#1A298B #2338BE #4357DC #7785E6 #AAB3EF

Accessibility & contrast

On white

5.78

#4357DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#4357DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4357DC

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4357DC	#FFFFFF	#000000	##FFFFFF
##4357DC	1.00	5.78	3.64	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DE0

Deuteranopia (green-blind)

#005FD9

Tritanopia (blue-blind)

#007991

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4357dc;
/* rgb */ color: rgb(67, 87, 220);
/* oklch */ color: oklch(52.3% 0.203 271.0);

Tailwind

colors: {
  custom: {
    50: '#8a86e8',
    500: '#4357dc',
    950: '#000000',
  },
}

SCSS

$custom: #4357dc;
$custom-light: #8a86e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4357dc",
  "rgb": {
    "r": 67,
    "g": 87,
    "b": 220
  },
  "hsl": {
    "h": 232.157,
    "s": 68.61,
    "l": 56.275
  },
  "oklch": {
    "l": 0.52302,
    "c": 0.20268,
    "h": 271
  },
  "luminance": 0.13177
}

Semantic roles & 50–950 ramp

primary

#4357DC

secondary

#DDD59E

accent

#D53CEB

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4357DC

Body copy rendered with the generated semantic roles for this colour.

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