#10134B#10134B

#10134B is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.0% C 0.101 H 272.9°. Best body text is #FFFFFF at 17.26:1 contrast (WCAG AA passes).

Color values

HEX	#10134B
RGB	rgb(16, 19, 75)
HSL	hsl(237, 65%, 18%)
HSV	hsv(237, 79%, 29%)
CMYK	cmyk(78.7%, 74.7%, 0%, 70.6%)
CIE-LAB	lab(9.67, 20.52, -34.99)
CIE-LCH	lch(9.67, 40.57, 300.39°)
OKLab	oklab(22.97% 0.005 -0.1011)
OKLCH	oklch(22.97% 0.101 272.9)
XYZ	xyz(1.7161, 1.0837, 6.7740)
Luminance	0.0108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10134B #4B4810

analogous

#10304B #10134B #2A104B

triadic

#10134B #4B1013 #134B10

tetradic

#10134B #4B1030 #4B4810 #104B2A

square

#10134B #4B1030 #4B4810 #104B2A

split-complementary

#10134B #4B2A10 #304B10

monochromatic

#050619 #050619 #10134B #1B207D #262DB0

Accessibility & contrast

On white

17.26

#10134B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#10134B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10134B

17.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10134B	#FFFFFF	#000000	##FFFFFF
##10134B	1.00	17.26	1.22	17.26
#FFFFFF	17.26	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4D

Deuteranopia (green-blind)

#00184A

Tritanopia (blue-blind)

#00222D

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #10134b;
/* rgb */ color: rgb(16, 19, 75);
/* oklch */ color: oklch(23.0% 0.101 272.9);

Tailwind

colors: {
  custom: {
    50: '#59507e',
    500: '#10134b',
    950: '#000000',
  },
}

SCSS

$custom: #10134b;
$custom-light: #59507e;
$custom-dark: #000000;

JSON

{
  "hex": "#10134b",
  "rgb": {
    "r": 16,
    "g": 19,
    "b": 75
  },
  "hsl": {
    "h": 236.949,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.22973,
    "c": 0.10127,
    "h": 272.9
  },
  "luminance": 0.01084
}

Semantic roles & 50–950 ramp

primary

#10134B

secondary

#858132

accent

#DF40E8

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #10134B

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

Preview Lab → · Contrast checker → · Palette generator →