#05153C#05153C

#05153C is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.1% C 0.079 H 263.4°. Best body text is #FFFFFF at 17.81:1 contrast (WCAG AA passes).

Color values

HEX	#05153C
RGB	rgb(5, 21, 60)
HSL	hsl(223, 85%, 13%)
HSV	hsv(223, 92%, 24%)
CMYK	cmyk(91.7%, 65%, 0%, 76.5%)
CIE-LAB	lab(8.08, 10.86, -27.04)
CIE-LCH	lch(8.08, 29.14, 291.87°)
OKLab	oklab(21.15% -0.0091 -0.0781)
OKLCH	oklch(21.15% 0.079 263.4)
XYZ	xyz(1.1461, 0.8947, 4.3864)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05153C #3C2C05

analogous

#05303C #05153C #10053C

triadic

#05153C #3C0515 #153C05

tetradic

#05153C #3C0530 #3C2C05 #053C10

square

#05153C #3C0530 #3C2C05 #053C10

split-complementary

#05153C #3C1005 #303C05

monochromatic

#020A1C #020A1C #05153C #0A2974 #0E3DAD

Accessibility & contrast

On white

17.81

#05153C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#05153C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05153C

17.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05153C	#FFFFFF	#000000	##FFFFFF
##05153C	1.00	17.81	1.18	17.81
#FFFFFF	17.81	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3D

Deuteranopia (green-blind)

#00153B

Tritanopia (blue-blind)

#001F25

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #05153c;
/* rgb */ color: rgb(5, 21, 60);
/* oklch */ color: oklch(21.1% 0.079 263.4);

Tailwind

colors: {
  custom: {
    50: '#505172',
    500: '#05153c',
    950: '#000000',
  },
}

SCSS

$custom: #05153c;
$custom-light: #505172;
$custom-dark: #000000;

JSON

{
  "hex": "#05153c",
  "rgb": {
    "r": 5,
    "g": 21,
    "b": 60
  },
  "hsl": {
    "h": 222.545,
    "s": 84.615,
    "l": 12.745
  },
  "oklch": {
    "l": 0.21149,
    "c": 0.07862,
    "h": 263.4
  },
  "luminance": 0.00895
}

Semantic roles & 50–950 ramp

primary

#05153C

secondary

#7D6220

accent

#BF2DFB

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020208

muted

#78787B

Preview Lab

Preview with #05153C

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

Preview Lab → · Contrast checker → · Palette generator →