#4157BF#4157BF

#4157BF is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.9% C 0.165 H 270.4°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#4157BF
RGB	rgb(65, 87, 191)
HSL	hsl(230, 50%, 50%)
HSV	hsv(230, 66%, 75%)
CMYK	cmyk(66%, 54.5%, 0%, 25.1%)
CIE-LAB	lab(40.74, 25.58, -57.25)
CIE-LCH	lch(40.74, 62.70, 294.08°)
OKLab	oklab(49.88% 0.001 -0.1645)
OKLCH	oklch(49.88% 0.165 270.4)
XYZ	xyz(14.9890, 11.7004, 50.7486)
Luminance	0.1170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4157BF #BFA941

analogous

#4196BF #4157BF #6A41BF

triadic

#4157BF #BF4157 #57BF41

tetradic

#4157BF #BF4196 #BFA941 #41BF6A

square

#4157BF #BF4196 #BFA941 #41BF6A

split-complementary

#4157BF #BF6A41 #96BF41

monochromatic

#222D64 #314292 #4157BF #6F7FCE #9DA8DE

Accessibility & contrast

On white

6.29

#4157BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#4157BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4157BF

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4157BF	#FFFFFF	#000000	##FFFFFF
##4157BF	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0566C3

Deuteranopia (green-blind)

#005BBD

Tritanopia (blue-blind)

#007082

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4157bf;
/* rgb */ color: rgb(65, 87, 191);
/* oklch */ color: oklch(49.9% 0.165 270.4);

Tailwind

colors: {
  custom: {
    50: '#8386d3',
    500: '#4157bf',
    950: '#000000',
  },
}

SCSS

$custom: #4157bf;
$custom-light: #8386d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4157bf",
  "rgb": {
    "r": 65,
    "g": 87,
    "b": 191
  },
  "hsl": {
    "h": 229.524,
    "s": 49.606,
    "l": 50.196
  },
  "oklch": {
    "l": 0.49881,
    "c": 0.16453,
    "h": 270.4
  },
  "luminance": 0.11702
}

Semantic roles & 50–950 ramp

primary

#4157BF

secondary

#CAC092

accent

#C14FD9

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4157BF

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

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