#10144B#10144B

#10144B is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.2% C 0.100 H 272.5°. Best body text is #FFFFFF at 17.16:1 contrast (WCAG AA passes).

Color values

HEX	#10144B
RGB	rgb(16, 20, 75)
HSL	hsl(236, 65%, 18%)
HSV	hsv(236, 79%, 29%)
CMYK	cmyk(78.7%, 73.3%, 0%, 70.6%)
CIE-LAB	lab(9.94, 19.80, -34.55)
CIE-LCH	lch(9.94, 39.82, 299.82°)
OKLab	oklab(23.17% 0.0043 -0.0998)
OKLCH	oklch(23.17% 0.1 272.5)
XYZ	xyz(1.7334, 1.1183, 6.7797)
Luminance	0.0112 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10144B #4B4710

analogous

#10314B #10144B #29104B

triadic

#10144B #4B1014 #144B10

tetradic

#10144B #4B1031 #4B4710 #104B29

square

#10144B #4B1031 #4B4710 #104B29

split-complementary

#10144B #4B2910 #314B10

monochromatic

#050719 #050719 #10144B #1B217D #262FB0

Accessibility & contrast

On white

17.16

#10144B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#10144B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10144B

17.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10144B	#FFFFFF	#000000	##FFFFFF
##10144B	1.00	17.16	1.22	17.16
#FFFFFF	17.16	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4D

Deuteranopia (green-blind)

#00194A

Tritanopia (blue-blind)

#00232D

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #10144b;
/* rgb */ color: rgb(16, 20, 75);
/* oklch */ color: oklch(23.2% 0.100 272.5);

Tailwind

colors: {
  custom: {
    50: '#59517e',
    500: '#10144b',
    950: '#000000',
  },
}

SCSS

$custom: #10144b;
$custom-light: #59517e;
$custom-dark: #000000;

JSON

{
  "hex": "#10144b",
  "rgb": {
    "r": 16,
    "g": 20,
    "b": 75
  },
  "hsl": {
    "h": 235.932,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.23169,
    "c": 0.09993,
    "h": 272.5
  },
  "luminance": 0.01118
}

Semantic roles & 50–950 ramp

primary

#10144B

secondary

#857F32

accent

#DC40E8

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #10144B

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

Preview Lab → · Contrast checker → · Palette generator →