#10175C#10175C

#10175C is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.6% C 0.121 H 270.2°. Best body text is #FFFFFF at 16.16:1 contrast (WCAG AA passes).

Color values

HEX	#10175C
RGB	rgb(16, 23, 92)
HSL	hsl(234, 70%, 21%)
HSV	hsv(234, 83%, 36%)
CMYK	cmyk(82.6%, 75%, 0%, 63.9%)
CIE-LAB	lab(12.58, 24.54, -41.80)
CIE-LCH	lch(12.58, 48.47, 300.41°)
OKLab	oklab(25.64% 0.0003 -0.121)
OKLCH	oklch(25.64% 0.121 270.2)
XYZ	xyz(2.4512, 1.4954, 10.2826)
Luminance	0.0150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10175C #5C5510

analogous

#103D5C #10175C #2F105C

triadic

#10175C #5C1017 #175C10

tetradic

#10175C #5C103D #5C5510 #105C2F

square

#10175C #5C103D #5C5510 #105C2F

split-complementary

#10175C #5C2F10 #3D5C10

monochromatic

#05071A #070A28 #10175C #192490 #2231C4

Accessibility & contrast

On white

16.16

#10175C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#10175C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10175C

16.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10175C	#FFFFFF	#000000	##FFFFFF
##10175C	1.00	16.16	1.30	16.16
#FFFFFF	16.16	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245E

Deuteranopia (green-blind)

#001D5B

Tritanopia (blue-blind)

#002A37

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #10175c;
/* rgb */ color: rgb(16, 23, 92);
/* oklch */ color: oklch(25.6% 0.121 270.2);

Tailwind

colors: {
  custom: {
    50: '#5d548b',
    500: '#10175c',
    950: '#000000',
  },
}

SCSS

$custom: #10175c;
$custom-light: #5d548b;
$custom-dark: #000000;

JSON

{
  "hex": "#10175c",
  "rgb": {
    "r": 16,
    "g": 23,
    "b": 92
  },
  "hsl": {
    "h": 234.474,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.25642,
    "c": 0.12103,
    "h": 270.2
  },
  "luminance": 0.01496
}

Semantic roles & 50–950 ramp

primary

#10175C

secondary

#958C33

accent

#DD3BED

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #10175C

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

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