#18213F#18213F

#18213F is a dark, muted blue. Relative luminance 0.016; OKLCH L 25.6% C 0.058 H 269.4°. Best body text is #FFFFFF at 15.81:1 contrast (WCAG AA passes).

Color values

HEX	#18213F
RGB	rgb(24, 33, 63)
HSL	hsl(226, 45%, 17%)
HSV	hsv(226, 62%, 25%)
CMYK	cmyk(61.9%, 47.6%, 0%, 75.3%)
CIE-LAB	lab(13.48, 6.65, -20.43)
CIE-LCH	lch(13.48, 21.48, 288.04°)
OKLab	oklab(25.65% -0.0006 -0.058)
OKLCH	oklch(25.65% 0.058 269.4)
XYZ	xyz(1.8175, 1.6407, 4.9226)
Luminance	0.0164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18213F #3F3618

analogous

#18353F #18213F #23183F

triadic

#18213F #3F1821 #213F18

tetradic

#18213F #3F1835 #3F3618 #183F23

square

#18213F #3F1835 #3F3618 #183F23

split-complementary

#18213F #3F2318 #353F18

monochromatic

#080C16 #080C16 #18213F #29386B #3A4F98

Accessibility & contrast

On white

15.81

#18213F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#18213F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18213F

15.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18213F	#FFFFFF	#000000	##FFFFFF
##18213F	1.00	15.81	1.33	15.81
#FFFFFF	15.81	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#142440

Deuteranopia (green-blind)

#10213E

Tritanopia (blue-blind)

#05282C

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #18213f;
/* rgb */ color: rgb(24, 33, 63);
/* oklch */ color: oklch(25.6% 0.058 269.4);

Tailwind

colors: {
  custom: {
    50: '#585b74',
    500: '#18213f',
    950: '#000000',
  },
}

SCSS

$custom: #18213f;
$custom-light: #585b74;
$custom-dark: #000000;

JSON

{
  "hex": "#18213f",
  "rgb": {
    "r": 24,
    "g": 33,
    "b": 63
  },
  "hsl": {
    "h": 226.154,
    "s": 44.828,
    "l": 17.059
  },
  "oklch": {
    "l": 0.25648,
    "c": 0.05799,
    "h": 269.4
  },
  "luminance": 0.01641
}

Semantic roles & 50–950 ramp

primary

#18213F

secondary

#75693D

accent

#B753D5

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #18213F

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

Preview Lab → · Contrast checker → · Palette generator →