#4259D2#4259D2

#4259D2 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.8% C 0.187 H 270.3°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#4259D2
RGB	rgb(66, 89, 210)
HSL	hsl(230, 62%, 54%)
HSV	hsv(230, 69%, 82%)
CMYK	cmyk(68.6%, 57.6%, 0%, 17.6%)
CIE-LAB	lab(42.69, 31.17, -65.05)
CIE-LCH	lch(42.69, 72.14, 295.60°)
OKLab	oklab(51.8% 0.0011 -0.1874)
OKLCH	oklch(51.8% 0.187 270.3)
XYZ	xyz(17.4480, 12.9545, 62.5412)
Luminance	0.1296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4259D2 #D2BB42

analogous

#42A1D2 #4259D2 #7342D2

triadic

#4259D2 #D24259 #59D242

tetradic

#4259D2 #D242A1 #D2BB42 #42D273

square

#4259D2 #D242A1 #D2BB42 #42D273

split-complementary

#4259D2 #D27342 #A1D242

monochromatic

#1E2D7C #293EAD #4259D2 #7384DE #A5B0EA

Accessibility & contrast

On white

5.85

#4259D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#4259D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4259D2

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4259D2	#FFFFFF	#000000	##FFFFFF
##4259D2	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD6

Deuteranopia (green-blind)

#005ED0

Tritanopia (blue-blind)

#00778D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4259d2;
/* rgb */ color: rgb(66, 89, 210);
/* oklch */ color: oklch(51.8% 0.187 270.3);

Tailwind

colors: {
  custom: {
    50: '#8787e1',
    500: '#4259d2',
    950: '#000000',
  },
}

SCSS

$custom: #4259d2;
$custom-light: #8787e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4259d2",
  "rgb": {
    "r": 66,
    "g": 89,
    "b": 210
  },
  "hsl": {
    "h": 230.417,
    "s": 61.538,
    "l": 54.118
  },
  "oklch": {
    "l": 0.518,
    "c": 0.18745,
    "h": 270.3
  },
  "luminance": 0.12956
}

Semantic roles & 50–950 ramp

primary

#4259D2

secondary

#D7CD99

accent

#CB43E5

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4259D2

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

Preview Lab → · Contrast checker → · Palette generator →