#21368F#21368F

#21368F is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.7% C 0.149 H 268.1°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#21368F
RGB	rgb(33, 54, 143)
HSL	hsl(229, 63%, 35%)
HSV	hsv(229, 77%, 56%)
CMYK	cmyk(76.9%, 62.2%, 0%, 43.9%)
CIE-LAB	lab(26.57, 25.09, -51.58)
CIE-LCH	lch(26.57, 57.36, 295.94°)
OKLab	oklab(37.67% -0.005 -0.149)
OKLCH	oklch(37.67% 0.149 268.1)
XYZ	xyz(6.9026, 4.9441, 26.5718)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21368F #8F7A21

analogous

#216D8F #21368F #43218F

triadic

#21368F #8F2136 #368F21

tetradic

#21368F #8F216D #8F7A21 #218F43

square

#21368F #8F216D #8F7A21 #218F43

split-complementary

#21368F #8F4321 #6D8F21

monochromatic

#0A102C #16235D #21368F #2C49C1 #536CD7

Accessibility & contrast

On white

10.56

#21368F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#21368F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21368F

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21368F	#FFFFFF	#000000	##FFFFFF
##21368F	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004492

Deuteranopia (green-blind)

#003A8D

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #21368f;
/* rgb */ color: rgb(33, 54, 143);
/* oklch */ color: oklch(37.7% 0.149 268.1);

Tailwind

colors: {
  custom: {
    50: '#6e6cb1',
    500: '#21368f',
    950: '#000000',
  },
}

SCSS

$custom: #21368f;
$custom-light: #6e6cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#21368f",
  "rgb": {
    "r": 33,
    "g": 54,
    "b": 143
  },
  "hsl": {
    "h": 228.545,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.37667,
    "c": 0.1491,
    "h": 268.1
  },
  "luminance": 0.04945
}

Semantic roles & 50–950 ramp

primary

#21368F

secondary

#BBA751

accent

#C642E6

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #21368F

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

Preview Lab → · Contrast checker → · Palette generator →