#4158CE#4158CE

#4158CE is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.2% C 0.184 H 270.2°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#4158CE
RGB	rgb(65, 88, 206)
HSL	hsl(230, 59%, 53%)
HSV	hsv(230, 68%, 81%)
CMYK	cmyk(68.4%, 57.3%, 0%, 19.2%)
CIE-LAB	lab(42.09, 30.25, -63.74)
CIE-LCH	lch(42.09, 70.56, 295.39°)
OKLab	oklab(51.24% 0.0008 -0.1836)
OKLCH	oklch(51.24% 0.184 270.2)
XYZ	xyz(16.8065, 12.5579, 59.9188)
Luminance	0.1256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4158CE #CEB741

analogous

#419ECE #4158CE #7041CE

triadic

#4158CE #CE4158 #58CE41

tetradic

#4158CE #CE419E #CEB741 #41CE70

square

#4158CE #CE419E #CEB741 #41CE70

split-complementary

#4158CE #CE7041 #9ECE41

monochromatic

#1E2D76 #2B3FA7 #4158CE #7283DB #A2AEE7

Accessibility & contrast

On white

5.98

#4158CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#4158CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4158CE

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4158CE	#FFFFFF	#000000	##FFFFFF
##4158CE	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)

#006AD2

Deuteranopia (green-blind)

#005DCC

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4158ce;
/* rgb */ color: rgb(65, 88, 206);
/* oklch */ color: oklch(51.2% 0.184 270.2);

Tailwind

colors: {
  custom: {
    50: '#8686de',
    500: '#4158ce',
    950: '#000000',
  },
}

SCSS

$custom: #4158ce;
$custom-light: #8686de;
$custom-dark: #000000;

JSON

{
  "hex": "#4158ce",
  "rgb": {
    "r": 65,
    "g": 88,
    "b": 206
  },
  "hsl": {
    "h": 230.213,
    "s": 58.996,
    "l": 53.137
  },
  "oklch": {
    "l": 0.5124,
    "c": 0.18362,
    "h": 270.2
  },
  "luminance": 0.12559
}

Semantic roles & 50–950 ramp

primary

#4158CE

secondary

#D4CA97

accent

#C946E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #4158CE

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

Preview Lab → · Contrast checker → · Palette generator →