#4157CF#4157CF

#4157CF is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.1% C 0.186 H 270.5°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#4157CF
RGB	rgb(65, 87, 207)
HSL	hsl(231, 60%, 53%)
HSV	hsv(231, 69%, 81%)
CMYK	cmyk(68.6%, 58%, 0%, 18.8%)
CIE-LAB	lab(41.91, 31.24, -64.60)
CIE-LCH	lch(41.91, 71.76, 295.81°)
OKLab	oklab(51.13% 0.0016 -0.1862)
OKLCH	oklch(51.13% 0.186 270.5)
XYZ	xyz(16.8468, 12.4436, 60.5334)
Luminance	0.1245 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4157CF #CFB941

analogous

#419ECF #4157CF #7241CF

triadic

#4157CF #CF4157 #57CF41

tetradic

#4157CF #CF419E #CFB941 #41CF72

square

#4157CF #CF419E #CFB941 #41CF72

split-complementary

#4157CF #CF7241 #9ECF41

monochromatic

#1E2C77 #2B3EA8 #4157CF #7282DB #A3ADE8

Accessibility & contrast

On white

6.02

#4157CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#4157CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4157CF

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4157CF	#FFFFFF	#000000	##FFFFFF
##4157CF	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD3

Deuteranopia (green-blind)

#005DCD

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4157cf;
/* rgb */ color: rgb(65, 87, 207);
/* oklch */ color: oklch(51.1% 0.186 270.5);

Tailwind

colors: {
  custom: {
    50: '#8786df',
    500: '#4157cf',
    950: '#000000',
  },
}

SCSS

$custom: #4157cf;
$custom-light: #8786df;
$custom-dark: #000000;

JSON

{
  "hex": "#4157cf",
  "rgb": {
    "r": 65,
    "g": 87,
    "b": 207
  },
  "hsl": {
    "h": 230.704,
    "s": 59.664,
    "l": 53.333
  },
  "oklch": {
    "l": 0.51132,
    "c": 0.18618,
    "h": 270.5
  },
  "luminance": 0.12445
}

Semantic roles & 50–950 ramp

primary

#4157CF

secondary

#D4CB97

accent

#CA45E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #4157CF

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

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