#4259C6#4259C6

#4259C6 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.9% C 0.171 H 270.2°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#4259C6
RGB	rgb(66, 89, 198)
HSL	hsl(230, 54%, 52%)
HSV	hsv(230, 67%, 78%)
CMYK	cmyk(66.7%, 55.1%, 0%, 22.4%)
CIE-LAB	lab(41.81, 26.94, -59.57)
CIE-LCH	lch(41.81, 65.38, 294.33°)
OKLab	oklab(50.86% 0.0006 -0.1713)
OKLCH	oklch(50.86% 0.171 270.2)
XYZ	xyz(16.0087, 12.3787, 54.9608)
Luminance	0.1238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4259C6 #C6AF42

analogous

#429BC6 #4259C6 #6D42C6

triadic

#4259C6 #C64259 #59C642

tetradic

#4259C6 #C6429B #C6AF42 #42C66D

square

#4259C6 #C6429B #C6AF42 #42C66D

split-complementary

#4259C6 #C66D42 #9BC642

monochromatic

#212E6D #2F429C #4259C6 #7182D4 #A0ACE2

Accessibility & contrast

On white

6.04

#4259C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#4259C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4259C6

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4259C6	#FFFFFF	#000000	##FFFFFF
##4259C6	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CA

Deuteranopia (green-blind)

#005DC4

Tritanopia (blue-blind)

#007387

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4259c6;
/* rgb */ color: rgb(66, 89, 198);
/* oklch */ color: oklch(50.9% 0.171 270.2);

Tailwind

colors: {
  custom: {
    50: '#8587d8',
    500: '#4259c6',
    950: '#000000',
  },
}

SCSS

$custom: #4259c6;
$custom-light: #8587d8;
$custom-dark: #000000;

JSON

{
  "hex": "#4259c6",
  "rgb": {
    "r": 66,
    "g": 89,
    "b": 198
  },
  "hsl": {
    "h": 229.545,
    "s": 53.659,
    "l": 51.765
  },
  "oklch": {
    "l": 0.50862,
    "c": 0.17131,
    "h": 270.2
  },
  "luminance": 0.1238
}

Semantic roles & 50–950 ramp

primary

#4259C6

secondary

#CFC595

accent

#C44BDD

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #4259C6

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

Preview Lab → · Contrast checker → · Palette generator →