#10175E#10175E

#10175E is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.9% C 0.124 H 270.0°. Best body text is #FFFFFF at 16.08:1 contrast (WCAG AA passes).

Color values

HEX	#10175E
RGB	rgb(16, 23, 94)
HSL	hsl(235, 71%, 22%)
HSV	hsv(235, 83%, 37%)
CMYK	cmyk(83%, 75.5%, 0%, 63.1%)
CIE-LAB	lab(12.80, 25.33, -42.77)
CIE-LCH	lch(12.80, 49.71, 300.64°)
OKLab	oklab(25.87% 0.0001 -0.1239)
OKLCH	oklch(25.87% 0.124 270)
XYZ	xyz(2.5398, 1.5308, 10.7491)
Luminance	0.0153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10175E #5E5710

analogous

#103E5E #10175E #30105E

triadic

#10175E #5E1017 #175E10

tetradic

#10175E #5E103E #5E5710 #105E30

square

#10175E #5E103E #5E5710 #105E30

split-complementary

#10175E #5E3010 #3E5E10

monochromatic

#04061A #070A2A #10175E #192492 #2231C7

Accessibility & contrast

On white

16.08

#10175E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#10175E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10175E

16.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10175E	#FFFFFF	#000000	##FFFFFF
##10175E	1.00	16.08	1.31	16.08
#FFFFFF	16.08	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002560

Deuteranopia (green-blind)

#001D5D

Tritanopia (blue-blind)

#002B38

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #10175e;
/* rgb */ color: rgb(16, 23, 94);
/* oklch */ color: oklch(25.9% 0.124 270.0);

Tailwind

colors: {
  custom: {
    50: '#5e548d',
    500: '#10175e',
    950: '#000000',
  },
}

SCSS

$custom: #10175e;
$custom-light: #5e548d;
$custom-dark: #000000;

JSON

{
  "hex": "#10175e",
  "rgb": {
    "r": 16,
    "g": 23,
    "b": 94
  },
  "hsl": {
    "h": 234.615,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.25871,
    "c": 0.12386,
    "h": 270
  },
  "luminance": 0.01531
}

Semantic roles & 50–950 ramp

primary

#10175E

secondary

#978E33

accent

#DE3AEE

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #10175E

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

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