#4158DE#4158DE

#4158DE is a mid, highly saturated blue. Relative luminance 0.134; OKLCH L 52.5% C 0.205 H 270.2°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#4158DE
RGB	rgb(65, 88, 222)
HSL	hsl(231, 70%, 56%)
HSV	hsv(231, 71%, 87%)
CMYK	cmyk(70.7%, 60.4%, 0%, 12.9%)
CIE-LAB	lab(43.32, 35.88, -70.89)
CIE-LCH	lch(43.32, 79.45, 296.84°)
OKLab	oklab(52.54% 0.0008 -0.2046)
OKLCH	oklch(52.54% 0.205 270.2)
XYZ	xyz(18.8500, 13.3753, 70.6813)
Luminance	0.1338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4158DE #DEC741

analogous

#41A7DE #4158DE #7941DE

triadic

#4158DE #DE4158 #58DE41

tetradic

#4158DE #DE41A7 #DEC741 #41DE79

square

#4158DE #DE41A7 #DEC741 #41DE79

split-complementary

#4158DE #DE7941 #A7DE41

monochromatic

#18298C #2139C0 #4158DE #7586E7 #A9B4F0

Accessibility & contrast

On white

5.71

#4158DE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#4158DE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4158DE

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4158DE	#FFFFFF	#000000	##FFFFFF
##4158DE	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EE2

Deuteranopia (green-blind)

#005FDB

Tritanopia (blue-blind)

#007A93

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4158de;
/* rgb */ color: rgb(65, 88, 222);
/* oklch */ color: oklch(52.5% 0.205 270.2);

Tailwind

colors: {
  custom: {
    50: '#8a87e9',
    500: '#4158de',
    950: '#000000',
  },
}

SCSS

$custom: #4158de;
$custom-light: #8a87e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4158de",
  "rgb": {
    "r": 65,
    "g": 88,
    "b": 222
  },
  "hsl": {
    "h": 231.21,
    "s": 70.404,
    "l": 56.275
  },
  "oklch": {
    "l": 0.52543,
    "c": 0.20462,
    "h": 270.2
  },
  "luminance": 0.13377
}

Semantic roles & 50–950 ramp

primary

#4158DE

secondary

#DED49D

accent

#D33BED

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4158DE

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

Preview Lab → · Contrast checker → · Palette generator →