#10124B#10124B

#10124B is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.8% C 0.103 H 273.2°. Best body text is #FFFFFF at 17.35:1 contrast (WCAG AA passes).

Color values

HEX	#10124B
RGB	rgb(16, 18, 75)
HSL	hsl(238, 65%, 18%)
HSV	hsv(238, 79%, 29%)
CMYK	cmyk(78.7%, 76%, 0%, 70.6%)
CIE-LAB	lab(9.41, 21.24, -35.42)
CIE-LCH	lch(9.41, 41.30, 300.95°)
OKLab	oklab(22.78% 0.0058 -0.1024)
OKLCH	oklch(22.78% 0.103 273.2)
XYZ	xyz(1.6996, 1.0506, 6.7685)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10124B #4B4910

analogous

#102F4B #10124B #2B104B

triadic

#10124B #4B1012 #124B10

tetradic

#10124B #4B102F #4B4910 #104B2B

square

#10124B #4B102F #4B4910 #104B2B

split-complementary

#10124B #4B2B10 #2F4B10

monochromatic

#050619 #050619 #10124B #1B1E7D #262AB0

Accessibility & contrast

On white

17.35

#10124B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#10124B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10124B

17.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10124B	#FFFFFF	#000000	##FFFFFF
##10124B	1.00	17.35	1.21	17.35
#FFFFFF	17.35	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4D

Deuteranopia (green-blind)

#00184A

Tritanopia (blue-blind)

#00222C

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #10124b;
/* rgb */ color: rgb(16, 18, 75);
/* oklch */ color: oklch(22.8% 0.103 273.2);

Tailwind

colors: {
  custom: {
    50: '#59507e',
    500: '#10124b',
    950: '#000000',
  },
}

SCSS

$custom: #10124b;
$custom-light: #59507e;
$custom-dark: #000000;

JSON

{
  "hex": "#10124b",
  "rgb": {
    "r": 16,
    "g": 18,
    "b": 75
  },
  "hsl": {
    "h": 237.966,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.22782,
    "c": 0.10257,
    "h": 273.2
  },
  "luminance": 0.01051
}

Semantic roles & 50–950 ramp

primary

#10124B

secondary

#858232

accent

#E240E8

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #10124B

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

Preview Lab → · Contrast checker → · Palette generator →