#4158BF#4158BF

#4158BF is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.1% C 0.163 H 270.0°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#4158BF
RGB	rgb(65, 88, 191)
HSL	hsl(229, 50%, 50%)
HSV	hsv(229, 66%, 75%)
CMYK	cmyk(66%, 53.9%, 0%, 25.1%)
CIE-LAB	lab(41.00, 24.94, -56.82)
CIE-LCH	lch(41.00, 62.05, 293.70°)
OKLab	oklab(50.08% 0.0001 -0.1633)
OKLCH	oklch(50.08% 0.163 270)
XYZ	xyz(15.0705, 11.8635, 50.7758)
Luminance	0.1187 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4158BF #BFA841

analogous

#4197BF #4158BF #6941BF

triadic

#4158BF #BF4158 #58BF41

tetradic

#4158BF #BF4197 #BFA841 #41BF69

square

#4158BF #BF4197 #BFA841 #41BF69

split-complementary

#4158BF #BF6941 #97BF41

monochromatic

#222E64 #314392 #4158BF #6F80CE #9DA8DE

Accessibility & contrast

On white

6.23

#4158BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#4158BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4158BF

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4158BF	#FFFFFF	#000000	##FFFFFF
##4158BF	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D67C3

Deuteranopia (green-blind)

#005BBD

Tritanopia (blue-blind)

#007183

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4158bf;
/* rgb */ color: rgb(65, 88, 191);
/* oklch */ color: oklch(50.1% 0.163 270.0);

Tailwind

colors: {
  custom: {
    50: '#8386d3',
    500: '#4158bf',
    950: '#000000',
  },
}

SCSS

$custom: #4158bf;
$custom-light: #8386d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4158bf",
  "rgb": {
    "r": 65,
    "g": 88,
    "b": 191
  },
  "hsl": {
    "h": 229.048,
    "s": 49.606,
    "l": 50.196
  },
  "oklch": {
    "l": 0.50078,
    "c": 0.16327,
    "h": 270
  },
  "luminance": 0.11865
}

Semantic roles & 50–950 ramp

primary

#4158BF

secondary

#CAC092

accent

#C04FD9

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4158BF

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

Preview Lab → · Contrast checker → · Palette generator →