#4259C4#4259C4

#4259C4 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.7% C 0.169 H 270.2°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#4259C4
RGB	rgb(66, 89, 196)
HSL	hsl(229, 52%, 51%)
HSV	hsv(229, 66%, 77%)
CMYK	cmyk(66.3%, 54.6%, 0%, 23.1%)
CIE-LAB	lab(41.67, 26.23, -58.64)
CIE-LCH	lch(41.67, 64.24, 294.10°)
OKLab	oklab(50.71% 0.0005 -0.1686)
OKLCH	oklch(50.71% 0.169 270.2)
XYZ	xyz(15.7796, 12.2871, 53.7539)
Luminance	0.1229 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4259C4 #C4AD42

analogous

#429AC4 #4259C4 #6C42C4

triadic

#4259C4 #C44259 #59C442

tetradic

#4259C4 #C4429A #C4AD42 #42C46C

square

#4259C4 #C4429A #C4AD42 #42C46C

split-complementary

#4259C4 #C46C42 #9AC442

monochromatic

#212E6A #304299 #4259C4 #7182D3 #9FABE1

Accessibility & contrast

On white

6.07

#4259C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#4259C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4259C4

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4259C4	#FFFFFF	#000000	##FFFFFF
##4259C4	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0168C8

Deuteranopia (green-blind)

#005DC2

Tritanopia (blue-blind)

#007386

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4259c4;
/* rgb */ color: rgb(66, 89, 196);
/* oklch */ color: oklch(50.7% 0.169 270.2);

Tailwind

colors: {
  custom: {
    50: '#8587d7',
    500: '#4259c4',
    950: '#000000',
  },
}

SCSS

$custom: #4259c4;
$custom-light: #8587d7;
$custom-dark: #000000;

JSON

{
  "hex": "#4259c4",
  "rgb": {
    "r": 66,
    "g": 89,
    "b": 196
  },
  "hsl": {
    "h": 229.385,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.50709,
    "c": 0.16858,
    "h": 270.2
  },
  "luminance": 0.12289
}

Semantic roles & 50–950 ramp

primary

#4259C4

secondary

#CEC394

accent

#C24CDC

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4259C4

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

Preview Lab → · Contrast checker → · Palette generator →