#10185C#10185C

#10185C is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.8% C 0.120 H 269.9°. Best body text is #FFFFFF at 16.06:1 contrast (WCAG AA passes).

Color values

HEX	#10185C
RGB	rgb(16, 24, 92)
HSL	hsl(234, 70%, 21%)
HSV	hsv(234, 83%, 36%)
CMYK	cmyk(82.6%, 73.9%, 0%, 63.9%)
CIE-LAB	lab(12.83, 23.84, -41.38)
CIE-LCH	lch(12.83, 47.76, 299.95°)
OKLab	oklab(25.83% -0.0002 -0.1198)
OKLCH	oklch(25.83% 0.12 269.9)
XYZ	xyz(2.4714, 1.5359, 10.2893)
Luminance	0.0154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10185C #5C5410

analogous

#103E5C #10185C #2E105C

triadic

#10185C #5C1018 #185C10

tetradic

#10185C #5C103E #5C5410 #105C2E

square

#10185C #5C103E #5C5410 #105C2E

split-complementary

#10185C #5C2E10 #3E5C10

monochromatic

#05071A #070A28 #10185C #192690 #2233C4

Accessibility & contrast

On white

16.06

#10185C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#10185C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10185C

16.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10185C	#FFFFFF	#000000	##FFFFFF
##10185C	1.00	16.06	1.31	16.06
#FFFFFF	16.06	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255E

Deuteranopia (green-blind)

#001E5B

Tritanopia (blue-blind)

#002B37

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #10185c;
/* rgb */ color: rgb(16, 24, 92);
/* oklch */ color: oklch(25.8% 0.120 269.9);

Tailwind

colors: {
  custom: {
    50: '#5d558b',
    500: '#10185c',
    950: '#000000',
  },
}

SCSS

$custom: #10185c;
$custom-light: #5d558b;
$custom-dark: #000000;

JSON

{
  "hex": "#10185c",
  "rgb": {
    "r": 16,
    "g": 24,
    "b": 92
  },
  "hsl": {
    "h": 233.684,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.25827,
    "c": 0.1198,
    "h": 269.9
  },
  "luminance": 0.01536
}

Semantic roles & 50–950 ramp

primary

#10185C

secondary

#958B33

accent

#DA3BED

background

#F5F4F8

surface

#EAE8F0

border

#C6C4CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #10185C

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

Preview Lab → · Contrast checker → · Palette generator →