#4157CE#4157CE

#4157CE is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.1% C 0.185 H 270.5°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#4157CE
RGB	rgb(65, 87, 206)
HSL	hsl(231, 59%, 53%)
HSV	hsv(231, 68%, 81%)
CMYK	cmyk(68.4%, 57.8%, 0%, 19.2%)
CIE-LAB	lab(41.84, 30.89, -64.15)
CIE-LCH	lch(41.84, 71.20, 295.71°)
OKLab	oklab(51.05% 0.0016 -0.1848)
OKLCH	oklch(51.05% 0.185 270.5)
XYZ	xyz(16.7250, 12.3948, 59.8916)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4157CE #CEB841

analogous

#419ECE #4157CE #7141CE

triadic

#4157CE #CE4157 #57CE41

tetradic

#4157CE #CE419E #CEB841 #41CE71

square

#4157CE #CE419E #CEB841 #41CE71

split-complementary

#4157CE #CE7141 #9ECE41

monochromatic

#1E2C76 #2B3EA7 #4157CE #7282DB #A2ADE7

Accessibility & contrast

On white

6.04

#4157CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#4157CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4157CE

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4157CE	#FFFFFF	#000000	##FFFFFF
##4157CE	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)

#0069D2

Deuteranopia (green-blind)

#005CCC

Tritanopia (blue-blind)

#00748A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4157ce;
/* rgb */ color: rgb(65, 87, 206);
/* oklch */ color: oklch(51.1% 0.185 270.5);

Tailwind

colors: {
  custom: {
    50: '#8686de',
    500: '#4157ce',
    950: '#000000',
  },
}

SCSS

$custom: #4157ce;
$custom-light: #8686de;
$custom-dark: #000000;

JSON

{
  "hex": "#4157ce",
  "rgb": {
    "r": 65,
    "g": 87,
    "b": 206
  },
  "hsl": {
    "h": 230.638,
    "s": 58.996,
    "l": 53.137
  },
  "oklch": {
    "l": 0.51052,
    "c": 0.18485,
    "h": 270.5
  },
  "luminance": 0.12396
}

Semantic roles & 50–950 ramp

primary

#4157CE

secondary

#D4CA97

accent

#CA46E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #4157CE

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

Preview Lab → · Contrast checker → · Palette generator →