#10154D#10154D

#10154D is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.6% C 0.102 H 271.9°. Best body text is #FFFFFF at 16.98:1 contrast (WCAG AA passes).

Color values

HEX	#10154D
RGB	rgb(16, 21, 77)
HSL	hsl(235, 66%, 18%)
HSV	hsv(235, 79%, 30%)
CMYK	cmyk(79.2%, 72.7%, 0%, 69.8%)
CIE-LAB	lab(10.42, 19.89, -35.14)
CIE-LCH	lch(10.42, 40.38, 299.52°)
OKLab	oklab(23.59% 0.0033 -0.1016)
OKLCH	oklch(23.59% 0.102 271.9)
XYZ	xyz(1.8210, 1.1821, 7.1519)
Luminance	0.0118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10154D #4D4810

analogous

#10334D #10154D #29104D

triadic

#10154D #4D1015 #154D10

tetradic

#10154D #4D1033 #4D4810 #104D29

square

#10154D #4D1033 #4D4810 #104D29

split-complementary

#10154D #4D2910 #334D10

monochromatic

#050719 #05071A #10154D #1B2380 #2531B2

Accessibility & contrast

On white

16.98

#10154D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#10154D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10154D

16.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10154D	#FFFFFF	#000000	##FFFFFF
##10154D	1.00	16.98	1.24	16.98
#FFFFFF	16.98	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4F

Deuteranopia (green-blind)

#00194C

Tritanopia (blue-blind)

#00242E

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #10154d;
/* rgb */ color: rgb(16, 21, 77);
/* oklch */ color: oklch(23.6% 0.102 271.9);

Tailwind

colors: {
  custom: {
    50: '#59527f',
    500: '#10154d',
    950: '#000000',
  },
}

SCSS

$custom: #10154d;
$custom-light: #59527f;
$custom-dark: #000000;

JSON

{
  "hex": "#10154d",
  "rgb": {
    "r": 16,
    "g": 21,
    "b": 77
  },
  "hsl": {
    "h": 235.082,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.23587,
    "c": 0.10161,
    "h": 271.9
  },
  "luminance": 0.01182
}

Semantic roles & 50–950 ramp

primary

#10154D

secondary

#878032

accent

#DB3FE9

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #10154D

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

Preview Lab → · Contrast checker → · Palette generator →