#10157E#10157E

#10157E is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.5% C 0.168 H 268.4°. Best body text is #FFFFFF at 14.68:1 contrast (WCAG AA passes).

Color values

HEX	#10157E
RGB	rgb(16, 21, 126)
HSL	hsl(237, 77%, 28%)
HSV	hsv(237, 87%, 49%)
CMYK	cmyk(87.3%, 83.3%, 0%, 50.6%)
CIE-LAB	lab(16.27, 38.34, -57.92)
CIE-LCH	lch(16.27, 69.46, 303.50°)
OKLab	oklab(29.46% -0.0047 -0.1678)
OKLCH	oklch(29.46% 0.168 268.4)
XYZ	xyz(4.2465, 2.1523, 19.9262)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10157E #7E7910

analogous

#104C7E #10157E #42107E

triadic

#10157E #7E1015 #157E10

tetradic

#10157E #7E104C #7E7910 #107E42

square

#10157E #7E104C #7E7910 #107E42

split-complementary

#10157E #7E4210 #4C7E10

monochromatic

#03051B #090C48 #10157E #171EB4 #252EE3

Accessibility & contrast

On white

14.68

#10157E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#10157E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10157E

14.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10157E	#FFFFFF	#000000	##FFFFFF
##10157E	1.00	14.68	1.43	14.68
#FFFFFF	14.68	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E81

Deuteranopia (green-blind)

#00227C

Tritanopia (blue-blind)

#00364A

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #10157e;
/* rgb */ color: rgb(16, 21, 126);
/* oklch */ color: oklch(29.5% 0.168 268.4);

Tailwind

colors: {
  custom: {
    50: '#6855a5',
    500: '#10157e',
    950: '#000000',
  },
}

SCSS

$custom: #10157e;
$custom-light: #6855a5;
$custom-dark: #000000;

JSON

{
  "hex": "#10157e",
  "rgb": {
    "r": 16,
    "g": 21,
    "b": 126
  },
  "hsl": {
    "h": 237.273,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.29464,
    "c": 0.16784,
    "h": 268.4
  },
  "luminance": 0.02153
}

Semantic roles & 50–950 ramp

primary

#10157E

secondary

#B4AF36

accent

#EB34F4

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #10157E

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

Preview Lab → · Contrast checker → · Palette generator →