#10124C#10124C

#10124C is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.9% C 0.104 H 273.1°. Best body text is #FFFFFF at 17.31:1 contrast (WCAG AA passes).

Color values

HEX	#10124C
RGB	rgb(16, 18, 76)
HSL	hsl(238, 65%, 18%)
HSV	hsv(238, 79%, 30%)
CMYK	cmyk(78.9%, 76.3%, 0%, 70.2%)
CIE-LAB	lab(9.52, 21.64, -35.94)
CIE-LCH	lch(9.52, 41.95, 301.06°)
OKLab	oklab(22.9% 0.0056 -0.1039)
OKLCH	oklch(22.9% 0.104 273.1)
XYZ	xyz(1.7341, 1.0644, 6.9501)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10124C #4C4A10

analogous

#10304C #10124C #2C104C

triadic

#10124C #4C1012 #124C10

tetradic

#10124C #4C1030 #4C4A10 #104C2C

square

#10124C #4C1030 #4C4A10 #104C2C

split-complementary

#10124C #4C2C10 #304C10

monochromatic

#050619 #050619 #10124C #1B1E7F #252AB1

Accessibility & contrast

On white

17.31

#10124C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#10124C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10124C

17.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10124C	#FFFFFF	#000000	##FFFFFF
##10124C	1.00	17.31	1.21	17.31
#FFFFFF	17.31	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4E

Deuteranopia (green-blind)

#00184B

Tritanopia (blue-blind)

#00222D

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #10124c;
/* rgb */ color: rgb(16, 18, 76);
/* oklch */ color: oklch(22.9% 0.104 273.1);

Tailwind

colors: {
  custom: {
    50: '#59507f',
    500: '#10124c',
    950: '#000000',
  },
}

SCSS

$custom: #10124c;
$custom-light: #59507f;
$custom-dark: #000000;

JSON

{
  "hex": "#10124c",
  "rgb": {
    "r": 16,
    "g": 18,
    "b": 76
  },
  "hsl": {
    "h": 238,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.22896,
    "c": 0.10406,
    "h": 273.1
  },
  "luminance": 0.01065
}

Semantic roles & 50–950 ramp

primary

#10124C

secondary

#868332

accent

#E340E8

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #10124C

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

Preview Lab → · Contrast checker → · Palette generator →