#4158EA#4158EA

#4158EA is a mid, highly saturated blue. Relative luminance 0.140; OKLCH L 53.6% C 0.220 H 270.1°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#4158EA
RGB	rgb(65, 88, 234)
HSL	hsl(232, 80%, 59%)
HSV	hsv(232, 72%, 92%)
CMYK	cmyk(72.2%, 62.4%, 0%, 8.2%)
CIE-LAB	lab(44.29, 40.05, -76.11)
CIE-LCH	lch(44.29, 86.00, 297.75°)
OKLab	oklab(53.56% 0.0005 -0.2199)
OKLCH	oklch(53.56% 0.22 270.1)
XYZ	xyz(20.5159, 14.0416, 79.4550)
Luminance	0.1404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4158EA #EAD341

analogous

#41ADEA #4158EA #7E41EA

triadic

#4158EA #EA4158 #58EA41

tetradic

#4158EA #EA41AD #EAD341 #41EA7E

square

#4158EA #EA41AD #EAD341 #41EA7E

split-complementary

#4158EA #EA7E41 #ADEA41

monochromatic

#12259F #1832D6 #4158EA #7888F0 #AFB9F6

Accessibility & contrast

On white

5.51

#4158EA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#4158EA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4158EA

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4158EA	#FFFFFF	#000000	##FFFFFF
##4158EA	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071EF

Deuteranopia (green-blind)

#0061E7

Tritanopia (blue-blind)

#007E99

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4158ea;
/* rgb */ color: rgb(65, 88, 234);
/* oklch */ color: oklch(53.6% 0.220 270.1);

Tailwind

colors: {
  custom: {
    50: '#8c87f2',
    500: '#4158ea',
    950: '#000000',
  },
}

SCSS

$custom: #4158ea;
$custom-light: #8c87f2;
$custom-dark: #000000;

JSON

{
  "hex": "#4158ea",
  "rgb": {
    "r": 65,
    "g": 88,
    "b": 234
  },
  "hsl": {
    "h": 231.834,
    "s": 80.095,
    "l": 58.627
  },
  "oklch": {
    "l": 0.53559,
    "c": 0.21992,
    "h": 270.1
  },
  "luminance": 0.14044
}

Semantic roles & 50–950 ramp

primary

#4158EA

secondary

#E5DCA2

accent

#DC31F7

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B17

muted

#7E7C85

Preview Lab

Preview with #4158EA

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

Preview Lab → · Contrast checker → · Palette generator →