#4157D1#4157D1

#4157D1 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.3% C 0.189 H 270.5°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#4157D1
RGB	rgb(65, 87, 209)
HSL	hsl(231, 61%, 54%)
HSV	hsv(231, 69%, 82%)
CMYK	cmyk(68.9%, 58.4%, 0%, 18%)
CIE-LAB	lab(42.06, 31.95, -65.51)
CIE-LCH	lch(42.06, 72.88, 296.00°)
OKLab	oklab(51.29% 0.0016 -0.1888)
OKLCH	oklch(51.29% 0.189 270.5)
XYZ	xyz(17.0929, 12.5420, 61.8293)
Luminance	0.1254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4157D1 #D1BB41

analogous

#419FD1 #4157D1 #7341D1

triadic

#4157D1 #D14157 #57D141

tetradic

#4157D1 #D1419F #D1BB41 #41D173

square

#4157D1 #D1419F #D1BB41 #41D173

split-complementary

#4157D1 #D17341 #9FD141

monochromatic

#1E2C7A #293DAB #4157D1 #7283DD #A4AEE9

Accessibility & contrast

On white

5.98

#4157D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#4157D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4157D1

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4157D1	#FFFFFF	#000000	##FFFFFF
##4157D1	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD5

Deuteranopia (green-blind)

#005DCF

Tritanopia (blue-blind)

#00758B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4157d1;
/* rgb */ color: rgb(65, 87, 209);
/* oklch */ color: oklch(51.3% 0.189 270.5);

Tailwind

colors: {
  custom: {
    50: '#8786e0',
    500: '#4157d1',
    950: '#000000',
  },
}

SCSS

$custom: #4157d1;
$custom-light: #8786e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4157d1",
  "rgb": {
    "r": 65,
    "g": 87,
    "b": 209
  },
  "hsl": {
    "h": 230.833,
    "s": 61.017,
    "l": 53.725
  },
  "oklch": {
    "l": 0.51293,
    "c": 0.18883,
    "h": 270.5
  },
  "luminance": 0.12544
}

Semantic roles & 50–950 ramp

primary

#4157D1

secondary

#D6CC98

accent

#CC44E4

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4157D1

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

Preview Lab → · Contrast checker → · Palette generator →