#10175D#10175D

#10175D is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.8% C 0.122 H 270.1°. Best body text is #FFFFFF at 16.12:1 contrast (WCAG AA passes).

Color values

HEX	#10175D
RGB	rgb(16, 23, 93)
HSL	hsl(235, 71%, 21%)
HSV	hsv(235, 83%, 36%)
CMYK	cmyk(82.8%, 75.3%, 0%, 63.5%)
CIE-LAB	lab(12.69, 24.94, -42.29)
CIE-LCH	lch(12.69, 49.09, 300.53°)
OKLab	oklab(25.76% 0.0002 -0.1224)
OKLCH	oklch(25.76% 0.122 270.1)
XYZ	xyz(2.4952, 1.5130, 10.5143)
Luminance	0.0151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10175D #5D5610

analogous

#103E5D #10175D #30105D

triadic

#10175D #5D1017 #175D10

tetradic

#10175D #5D103E #5D5610 #105D30

square

#10175D #5D103E #5D5610 #105D30

split-complementary

#10175D #5D3010 #3E5D10

monochromatic

#04061A #070A29 #10175D #192491 #2231C5

Accessibility & contrast

On white

16.12

#10175D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#10175D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10175D

16.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10175D	#FFFFFF	#000000	##FFFFFF
##10175D	1.00	16.12	1.30	16.12
#FFFFFF	16.12	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255F

Deuteranopia (green-blind)

#001D5C

Tritanopia (blue-blind)

#002B38

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #10175d;
/* rgb */ color: rgb(16, 23, 93);
/* oklch */ color: oklch(25.8% 0.122 270.1);

Tailwind

colors: {
  custom: {
    50: '#5e548c',
    500: '#10175d',
    950: '#000000',
  },
}

SCSS

$custom: #10175d;
$custom-light: #5e548c;
$custom-dark: #000000;

JSON

{
  "hex": "#10175d",
  "rgb": {
    "r": 16,
    "g": 23,
    "b": 93
  },
  "hsl": {
    "h": 234.545,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.25757,
    "c": 0.12245,
    "h": 270.1
  },
  "luminance": 0.01513
}

Semantic roles & 50–950 ramp

primary

#10175D

secondary

#968D33

accent

#DD3AED

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #10175D

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

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