#4157D8#4157D8

#4157D8 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.9% C 0.198 H 270.5°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#4157D8
RGB	rgb(65, 87, 216)
HSL	hsl(231, 66%, 55%)
HSV	hsv(231, 70%, 85%)
CMYK	cmyk(69.9%, 59.7%, 0%, 15.3%)
CIE-LAB	lab(42.61, 34.40, -68.64)
CIE-LCH	lch(42.61, 76.78, 296.62°)
OKLab	oklab(51.87% 0.0016 -0.198)
OKLCH	oklch(51.87% 0.198 270.5)
XYZ	xyz(17.9786, 12.8963, 66.4942)
Luminance	0.1290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4157D8 #D8C241

analogous

#41A3D8 #4157D8 #7641D8

triadic

#4157D8 #D84157 #57D841

tetradic

#4157D8 #D841A3 #D8C241 #41D876

square

#4157D8 #D841A3 #D8C241 #41D876

split-complementary

#4157D8 #D87641 #A3D841

monochromatic

#1B2A84 #253BB6 #4157D8 #7484E2 #A7B1ED

Accessibility & contrast

On white

5.87

#4157D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#4157D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4157D8

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4157D8	#FFFFFF	#000000	##FFFFFF
##4157D8	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CDC

Deuteranopia (green-blind)

#005ED5

Tritanopia (blue-blind)

#00778F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4157d8;
/* rgb */ color: rgb(65, 87, 216);
/* oklch */ color: oklch(51.9% 0.198 270.5);

Tailwind

colors: {
  custom: {
    50: '#8886e5',
    500: '#4157d8',
    950: '#000000',
  },
}

SCSS

$custom: #4157d8;
$custom-light: #8886e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4157d8",
  "rgb": {
    "r": 65,
    "g": 87,
    "b": 216
  },
  "hsl": {
    "h": 231.258,
    "s": 65.939,
    "l": 55.098
  },
  "oklch": {
    "l": 0.51865,
    "c": 0.19803,
    "h": 270.5
  },
  "luminance": 0.12898
}

Semantic roles & 50–950 ramp

primary

#4157D8

secondary

#DAD19B

accent

#D03FE9

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4157D8

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

Preview Lab → · Contrast checker → · Palette generator →