#4355DB#4355DB

#4355DB is a mid, highly saturated blue. Relative luminance 0.128; OKLCH L 51.9% C 0.204 H 271.4°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#4355DB
RGB	rgb(67, 85, 219)
HSL	hsl(233, 68%, 56%)
HSV	hsv(233, 69%, 86%)
CMYK	cmyk(69.4%, 61.2%, 0%, 14.1%)
CIE-LAB	lab(42.46, 36.95, -70.58)
CIE-LCH	lch(42.46, 79.67, 297.63°)
OKLab	oklab(51.86% 0.005 -0.2037)
OKLCH	oklch(51.86% 0.204 271.4)
XYZ	xyz(18.3451, 12.8030, 68.5085)
Luminance	0.1280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4355DB #DBC943

analogous

#43A1DB #4355DB #7D43DB

triadic

#4355DB #DB4355 #55DB43

tetradic

#4355DB #DB43A1 #DBC943 #43DB7D

square

#4355DB #DB43A1 #DBC943 #43DB7D

split-complementary

#4355DB #DB7D43 #A1DB43

monochromatic

#1A2789 #2436BD #4355DB #7683E5 #AAB2EF

Accessibility & contrast

On white

5.90

#4355DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#4355DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4355DB

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4355DB	#FFFFFF	#000000	##FFFFFF
##4355DB	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDF

Deuteranopia (green-blind)

#005DD8

Tritanopia (blue-blind)

#007790

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4355db;
/* rgb */ color: rgb(67, 85, 219);
/* oklch */ color: oklch(51.9% 0.204 271.4);

Tailwind

colors: {
  custom: {
    50: '#8a85e7',
    500: '#4355db',
    950: '#000000',
  },
}

SCSS

$custom: #4355db;
$custom-light: #8a85e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4355db",
  "rgb": {
    "r": 67,
    "g": 85,
    "b": 219
  },
  "hsl": {
    "h": 232.895,
    "s": 67.857,
    "l": 56.078
  },
  "oklch": {
    "l": 0.51863,
    "c": 0.20375,
    "h": 271.4
  },
  "luminance": 0.12805
}

Semantic roles & 50–950 ramp

primary

#4355DB

secondary

#DCD59E

accent

#D63DEB

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4355DB

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

Preview Lab → · Contrast checker → · Palette generator →