#21345B#21345B

#21345B is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.0% C 0.074 H 263.3°. Best body text is #FFFFFF at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#21345B
RGB	rgb(33, 52, 91)
HSL	hsl(220, 47%, 24%)
HSV	hsv(220, 64%, 36%)
CMYK	cmyk(63.7%, 42.9%, 0%, 64.3%)
CIE-LAB	lab(22.07, 6.02, -25.73)
CIE-LCH	lch(22.07, 26.43, 283.17°)
OKLab	oklab(33.01% -0.0086 -0.0731)
OKLCH	oklch(33.01% 0.074 263.3)
XYZ	xyz(3.7429, 3.5343, 10.3805)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21345B #5B4821

analogous

#21515B #21345B #2B215B

triadic

#21345B #5B2134 #345B21

tetradic

#21345B #5B2151 #5B4821 #215B2B

square

#21345B #5B2151 #5B4821 #215B2B

split-complementary

#21345B #5B2B21 #515B21

monochromatic

#080D16 #111A2E #21345B #314E88 #4267B5

Accessibility & contrast

On white

12.30

#21345B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#21345B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21345B

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21345B	#FFFFFF	#000000	##FFFFFF
##21345B	1.00	12.30	1.71	12.30
#FFFFFF	12.30	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23385D

Deuteranopia (green-blind)

#1C325A

Tritanopia (blue-blind)

#003D43

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #21345b;
/* rgb */ color: rgb(33, 52, 91);
/* oklch */ color: oklch(33.0% 0.074 263.3);

Tailwind

colors: {
  custom: {
    50: '#626b89',
    500: '#21345b',
    950: '#000000',
  },
}

SCSS

$custom: #21345b;
$custom-light: #626b89;
$custom-dark: #000000;

JSON

{
  "hex": "#21345b",
  "rgb": {
    "r": 33,
    "g": 52,
    "b": 91
  },
  "hsl": {
    "h": 220.345,
    "s": 46.774,
    "l": 24.314
  },
  "oklch": {
    "l": 0.33013,
    "c": 0.07359,
    "h": 263.3
  },
  "luminance": 0.03535
}

Semantic roles & 50–950 ramp

primary

#21345B

secondary

#8F7849

accent

#AB51D6

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05060B

muted

#7A7A7C

Preview Lab

Preview with #21345B

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

Preview Lab → · Contrast checker → · Palette generator →