#21185B#21185B

#21185B is a dark, moderate blue. Relative luminance 0.017; OKLCH L 27.0% C 0.114 H 281.7°. Best body text is #FFFFFF at 15.60:1 contrast (WCAG AA passes).

Color values

HEX	#21185B
RGB	rgb(33, 24, 91)
HSL	hsl(248, 58%, 23%)
HSV	hsv(248, 74%, 36%)
CMYK	cmyk(63.7%, 73.6%, 0%, 64.3%)
CIE-LAB	lab(14.01, 25.82, -38.73)
CIE-LCH	lch(14.01, 46.55, 303.69°)
OKLab	oklab(26.98% 0.0231 -0.1115)
OKLCH	oklch(26.98% 0.114 281.7)
XYZ	xyz(2.8416, 1.7317, 10.0800)
Luminance	0.0173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21185B #525B18

analogous

#18305B #21185B #43185B

triadic

#21185B #5B2118 #185B21

tetradic

#21185B #5B1830 #525B18 #185B43

square

#21185B #5B1830 #525B18 #185B43

split-complementary

#21185B #5B4318 #305B18

monochromatic

#090618 #0F0B2B #21185B #33258B #4432BC

Accessibility & contrast

On white

15.60

#21185B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#21185B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21185B

15.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21185B	#FFFFFF	#000000	##FFFFFF
##21185B	1.00	15.60	1.35	15.60
#FFFFFF	15.60	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265D

Deuteranopia (green-blind)

#00215A

Tritanopia (blue-blind)

#002A37

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #21185b;
/* rgb */ color: rgb(33, 24, 91);
/* oklch */ color: oklch(27.0% 0.114 281.7);

Tailwind

colors: {
  custom: {
    50: '#64568a',
    500: '#21185b',
    950: '#000000',
  },
}

SCSS

$custom: #21185b;
$custom-light: #64568a;
$custom-dark: #000000;

JSON

{
  "hex": "#21185b",
  "rgb": {
    "r": 33,
    "g": 24,
    "b": 91
  },
  "hsl": {
    "h": 248.06,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.26978,
    "c": 0.11391,
    "h": 281.7
  },
  "luminance": 0.01732
}

Semantic roles & 50–950 ramp

primary

#21185B

secondary

#86923D

accent

#E146CD

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #21185B

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

Preview Lab → · Contrast checker → · Palette generator →