#21369B#21369B

#21369B is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.8% C 0.166 H 268.2°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#21369B
RGB	rgb(33, 54, 155)
HSL	hsl(230, 65%, 37%)
HSV	hsv(230, 79%, 61%)
CMYK	cmyk(78.7%, 65.2%, 0%, 39.2%)
CIE-LAB	lab(27.65, 29.71, -57.19)
CIE-LCH	lch(27.65, 64.44, 297.45°)
OKLab	oklab(38.79% -0.0053 -0.1655)
OKLCH	oklch(38.79% 0.166 268.2)
XYZ	xyz(7.8607, 5.3273, 31.6180)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21369B #9B8621

analogous

#21739B #21369B #49219B

triadic

#21369B #9B2136 #369B21

tetradic

#21369B #9B2173 #9B8621 #219B49

square

#21369B #9B2173 #9B8621 #219B49

split-complementary

#21369B #9B4921 #739B21

monochromatic

#0C1336 #162469 #21369B #2C48CD #5A71DC

Accessibility & contrast

On white

10.17

#21369B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#21369B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21369B

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21369B	#FFFFFF	#000000	##FFFFFF
##21369B	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479E

Deuteranopia (green-blind)

#003C99

Tritanopia (blue-blind)

#005163

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #21369b;
/* rgb */ color: rgb(33, 54, 155);
/* oklch */ color: oklch(38.8% 0.166 268.2);

Tailwind

colors: {
  custom: {
    50: '#716db9',
    500: '#21369b',
    950: '#000000',
  },
}

SCSS

$custom: #21369b;
$custom-light: #716db9;
$custom-dark: #000000;

JSON

{
  "hex": "#21369b",
  "rgb": {
    "r": 33,
    "g": 54,
    "b": 155
  },
  "hsl": {
    "h": 229.672,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.38791,
    "c": 0.16553,
    "h": 268.2
  },
  "luminance": 0.05328
}

Semantic roles & 50–950 ramp

primary

#21369B

secondary

#C0AE58

accent

#CB40E8

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #21369B

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

Preview Lab → · Contrast checker → · Palette generator →