#10153A#10153A

#10153A is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.7% C 0.071 H 273.1°. Best body text is #FFFFFF at 17.64:1 contrast (WCAG AA passes).

Color values

HEX	#10153A
RGB	rgb(16, 21, 58)
HSL	hsl(233, 57%, 15%)
HSV	hsv(233, 72%, 23%)
CMYK	cmyk(72.4%, 63.8%, 0%, 77.3%)
CIE-LAB	lab(8.58, 11.91, -24.76)
CIE-LCH	lch(8.58, 27.47, 295.68°)
OKLab	oklab(21.65% 0.0039 -0.0711)
OKLCH	oklch(21.65% 0.071 273.1)
XYZ	xyz(1.2453, 0.9519, 4.1203)
Luminance	0.0095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10153A #3A3510

analogous

#102A3A #10153A #20103A

triadic

#10153A #3A1015 #153A10

tetradic

#10153A #3A102A #3A3510 #103A20

square

#10153A #3A102A #3A3510 #103A20

split-complementary

#10153A #3A2010 #2A3A10

monochromatic

#070918 #070918 #10153A #1D266A #2A389A

Accessibility & contrast

On white

17.64

#10153A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#10153A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10153A

17.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10153A	#FFFFFF	#000000	##FFFFFF
##10153A	1.00	17.64	1.19	17.64
#FFFFFF	17.64	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3B

Deuteranopia (green-blind)

#001739

Tritanopia (blue-blind)

#001E24

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #10153a;
/* rgb */ color: rgb(16, 21, 58);
/* oklch */ color: oklch(21.7% 0.071 273.1);

Tailwind

colors: {
  custom: {
    50: '#545270',
    500: '#10153a',
    950: '#000000',
  },
}

SCSS

$custom: #10153a;
$custom-light: #545270;
$custom-dark: #000000;

JSON

{
  "hex": "#10153a",
  "rgb": {
    "r": 16,
    "g": 21,
    "b": 58
  },
  "hsl": {
    "h": 232.857,
    "s": 56.757,
    "l": 14.51
  },
  "oklch": {
    "l": 0.21655,
    "c": 0.07121,
    "h": 273.1
  },
  "luminance": 0.00952
}

Semantic roles & 50–950 ramp

primary

#10153A

secondary

#746C32

accent

#CE48E0

background

#F5F4F6

surface

#E8E7EC

border

#C4C3C7

text

#030207

muted

#78787A

Preview Lab

Preview with #10153A

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

Preview Lab → · Contrast checker → · Palette generator →