#4158CF#4158CF

#4158CF is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.3% C 0.185 H 270.2°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#4158CF
RGB	rgb(65, 88, 207)
HSL	hsl(230, 60%, 53%)
HSV	hsv(230, 69%, 81%)
CMYK	cmyk(68.6%, 57.5%, 0%, 18.8%)
CIE-LAB	lab(42.16, 30.61, -64.19)
CIE-LCH	lch(42.16, 71.12, 295.49°)
OKLab	oklab(51.32% 0.0008 -0.1849)
OKLCH	oklch(51.32% 0.185 270.2)
XYZ	xyz(16.9283, 12.6066, 60.5606)
Luminance	0.1261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4158CF #CFB841

analogous

#419FCF #4158CF #7141CF

triadic

#4158CF #CF4158 #58CF41

tetradic

#4158CF #CF419F #CFB841 #41CF71

square

#4158CF #CF419F #CFB841 #41CF71

split-complementary

#4158CF #CF7141 #9FCF41

monochromatic

#1E2D77 #2B3FA8 #4158CF #7283DB #A3AEE8

Accessibility & contrast

On white

5.96

#4158CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#4158CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4158CF

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4158CF	#FFFFFF	#000000	##FFFFFF
##4158CF	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD3

Deuteranopia (green-blind)

#005DCD

Tritanopia (blue-blind)

#00758B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4158cf;
/* rgb */ color: rgb(65, 88, 207);
/* oklch */ color: oklch(51.3% 0.185 270.2);

Tailwind

colors: {
  custom: {
    50: '#8686df',
    500: '#4158cf',
    950: '#000000',
  },
}

SCSS

$custom: #4158cf;
$custom-light: #8686df;
$custom-dark: #000000;

JSON

{
  "hex": "#4158cf",
  "rgb": {
    "r": 65,
    "g": 88,
    "b": 207
  },
  "hsl": {
    "h": 230.282,
    "s": 59.664,
    "l": 53.333
  },
  "oklch": {
    "l": 0.5132,
    "c": 0.18495,
    "h": 270.2
  },
  "luminance": 0.12608
}

Semantic roles & 50–950 ramp

primary

#4158CF

secondary

#D4CB97

accent

#C945E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #4158CF

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

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