#21369E#21369E

#21369E is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.1% C 0.170 H 268.2°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#21369E
RGB	rgb(33, 54, 158)
HSL	hsl(230, 65%, 37%)
HSV	hsv(230, 79%, 62%)
CMYK	cmyk(79.1%, 65.8%, 0%, 38%)
CIE-LAB	lab(27.92, 30.84, -58.56)
CIE-LCH	lch(27.92, 66.18, 297.78°)
OKLab	oklab(39.08% -0.0054 -0.1695)
OKLCH	oklch(39.08% 0.17 268.2)
XYZ	xyz(8.1158, 5.4294, 32.9614)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21369E #9E8921

analogous

#21759E #21369E #4B219E

triadic

#21369E #9E2136 #369E21

tetradic

#21369E #9E2175 #9E8921 #219E4B

square

#21369E #9E2175 #9E8921 #219E4B

split-complementary

#21369E #9E4B21 #759E21

monochromatic

#0C1339 #16256B #21369E #2C47D1 #5C72DD

Accessibility & contrast

On white

10.07

#21369E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#21369E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21369E

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21369E	#FFFFFF	#000000	##FFFFFF
##21369E	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A1

Deuteranopia (green-blind)

#003C9C

Tritanopia (blue-blind)

#005265

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #21369e;
/* rgb */ color: rgb(33, 54, 158);
/* oklch */ color: oklch(39.1% 0.170 268.2);

Tailwind

colors: {
  custom: {
    50: '#726dbc',
    500: '#21369e',
    950: '#000000',
  },
}

SCSS

$custom: #21369e;
$custom-light: #726dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#21369e",
  "rgb": {
    "r": 33,
    "g": 54,
    "b": 158
  },
  "hsl": {
    "h": 229.92,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.39079,
    "c": 0.16955,
    "h": 268.2
  },
  "luminance": 0.0543
}

Semantic roles & 50–950 ramp

primary

#21369E

secondary

#C1B059

accent

#CC3FE8

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #21369E

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

Preview Lab → · Contrast checker → · Palette generator →