#21386E#21386E

#21386E is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.3% C 0.098 H 264.6°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#21386E
RGB	rgb(33, 56, 110)
HSL	hsl(222, 54%, 28%)
HSV	hsv(222, 70%, 43%)
CMYK	cmyk(70%, 49.1%, 0%, 56.9%)
CIE-LAB	lab(24.57, 10.66, -34.08)
CIE-LCH	lch(24.57, 35.71, 287.37°)
OKLab	oklab(35.34% -0.0093 -0.0975)
OKLCH	oklch(35.34% 0.098 264.6)
XYZ	xyz(4.8549, 4.2770, 15.3185)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21386E #6E5721

analogous

#215E6E #21386E #30216E

triadic

#21386E #6E2138 #386E21

tetradic

#21386E #6E215E #6E5721 #216E30

square

#21386E #6E215E #6E5721 #216E30

split-complementary

#21386E #6E3021 #5E6E21

monochromatic

#070C18 #13203F #21386E #2F509D #436AC7

Accessibility & contrast

On white

11.32

#21386E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#21386E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21386E

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21386E	#FFFFFF	#000000	##FFFFFF
##21386E	1.00	11.32	1.86	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3E70

Deuteranopia (green-blind)

#0D376D

Tritanopia (blue-blind)

#00444D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #21386e;
/* rgb */ color: rgb(33, 56, 110);
/* oklch */ color: oklch(35.3% 0.098 264.6);

Tailwind

colors: {
  custom: {
    50: '#666e98',
    500: '#21386e',
    950: '#000000',
  },
}

SCSS

$custom: #21386e;
$custom-light: #666e98;
$custom-dark: #000000;

JSON

{
  "hex": "#21386e",
  "rgb": {
    "r": 33,
    "g": 56,
    "b": 110
  },
  "hsl": {
    "h": 222.078,
    "s": 53.846,
    "l": 28.039
  },
  "oklch": {
    "l": 0.35339,
    "c": 0.09797,
    "h": 264.6
  },
  "luminance": 0.04277
}

Semantic roles & 50–950 ramp

primary

#21386E

secondary

#A28749

accent

#B14BDD

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #21386E

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

Preview Lab → · Contrast checker → · Palette generator →