#4157CC#4157CC

#4157CC is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.9% C 0.182 H 270.5°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#4157CC
RGB	rgb(65, 87, 204)
HSL	hsl(231, 58%, 53%)
HSV	hsv(231, 68%, 80%)
CMYK	cmyk(68.1%, 57.4%, 0%, 20%)
CIE-LAB	lab(41.69, 30.18, -63.24)
CIE-LCH	lch(41.69, 70.08, 295.51°)
OKLab	oklab(50.89% 0.0016 -0.1822)
OKLCH	oklch(50.89% 0.182 270.5)
XYZ	xyz(16.4835, 12.2983, 58.6201)
Luminance	0.1230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4157CC #CCB641

analogous

#419CCC #4157CC #7141CC

triadic

#4157CC #CC4157 #57CC41

tetradic

#4157CC #CC419C #CCB641 #41CC71

square

#4157CC #CC419C #CCB641 #41CC71

split-complementary

#4157CC #CC7141 #9CCC41

monochromatic

#1F2C74 #2C3FA4 #4157CC #7182D9 #A1ACE6

Accessibility & contrast

On white

6.07

#4157CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#4157CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4157CC

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

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

#0069D0

Deuteranopia (green-blind)

#005CCA

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4157cc;
/* rgb */ color: rgb(65, 87, 204);
/* oklch */ color: oklch(50.9% 0.182 270.5);

Tailwind

colors: {
  custom: {
    50: '#8686dc',
    500: '#4157cc',
    950: '#000000',
  },
}

SCSS

$custom: #4157cc;
$custom-light: #8686dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4157cc",
  "rgb": {
    "r": 65,
    "g": 87,
    "b": 204
  },
  "hsl": {
    "h": 230.504,
    "s": 57.676,
    "l": 52.745
  },
  "oklch": {
    "l": 0.50892,
    "c": 0.18218,
    "h": 270.5
  },
  "luminance": 0.123
}

Semantic roles & 50–950 ramp

primary

#4157CC

secondary

#D3C996

accent

#C947E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #4157CC

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

Preview Lab → · Contrast checker → · Palette generator →