#4259C0#4259C0

#4259C0 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.4% C 0.163 H 270.1°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#4259C0
RGB	rgb(66, 89, 192)
HSL	hsl(229, 50%, 51%)
HSV	hsv(229, 66%, 75%)
CMYK	cmyk(65.6%, 53.6%, 0%, 24.7%)
CIE-LAB	lab(41.39, 24.82, -56.77)
CIE-LCH	lch(41.39, 61.96, 293.61°)
OKLab	oklab(50.41% 0.0003 -0.1631)
OKLCH	oklch(50.41% 0.163 270.1)
XYZ	xyz(15.3303, 12.1074, 51.3880)
Luminance	0.1211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4259C0 #C0A942

analogous

#4298C0 #4259C0 #6A42C0

triadic

#4259C0 #C04259 #59C042

tetradic

#4259C0 #C04298 #C0A942 #42C06A

square

#4259C0 #C04298 #C0A942 #42C06A

split-complementary

#4259C0 #C06A42 #98C042

monochromatic

#222E66 #314394 #4259C0 #7081CF #9EAADF

Accessibility & contrast

On white

6.14

#4259C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#4259C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4259C0

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4259C0	#FFFFFF	#000000	##FFFFFF
##4259C0	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1168C4

Deuteranopia (green-blind)

#005CBE

Tritanopia (blue-blind)

#007184

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4259c0;
/* rgb */ color: rgb(66, 89, 192);
/* oklch */ color: oklch(50.4% 0.163 270.1);

Tailwind

colors: {
  custom: {
    50: '#8487d4',
    500: '#4259c0',
    950: '#000000',
  },
}

SCSS

$custom: #4259c0;
$custom-light: #8487d4;
$custom-dark: #000000;

JSON

{
  "hex": "#4259c0",
  "rgb": {
    "r": 66,
    "g": 89,
    "b": 192
  },
  "hsl": {
    "h": 229.048,
    "s": 50,
    "l": 50.588
  },
  "oklch": {
    "l": 0.50407,
    "c": 0.16309,
    "h": 270.1
  },
  "luminance": 0.12109
}

Semantic roles & 50–950 ramp

primary

#4259C0

secondary

#CBC193

accent

#C04EDA

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4259C0

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

Preview Lab → · Contrast checker → · Palette generator →