#21338E#21338E

#21338E is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.0% C 0.151 H 268.9°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#21338E
RGB	rgb(33, 51, 142)
HSL	hsl(230, 62%, 34%)
HSV	hsv(230, 77%, 56%)
CMYK	cmyk(76.8%, 64.1%, 0%, 44.3%)
CIE-LAB	lab(25.69, 26.75, -52.40)
CIE-LCH	lch(25.69, 58.83, 297.04°)
OKLab	oklab(36.99% -0.0029 -0.1515)
OKLCH	oklch(36.99% 0.151 268.9)
XYZ	xyz(6.6918, 4.6433, 26.1295)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21338E #8E7C21

analogous

#216A8E #21338E #46218E

triadic

#21338E #8E2133 #338E21

tetradic

#21338E #8E216A #8E7C21 #218E46

square

#21338E #8E216A #8E7C21 #218E46

split-complementary

#21338E #8E4621 #6A8E21

monochromatic

#0A0F2B #15215C #21338E #2D45C0 #5268D7

Accessibility & contrast

On white

10.89

#21338E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#21338E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21338E

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21338E	#FFFFFF	#000000	##FFFFFF
##21338E	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004291

Deuteranopia (green-blind)

#00388C

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #21338e;
/* rgb */ color: rgb(33, 51, 142);
/* oklch */ color: oklch(37.0% 0.151 268.9);

Tailwind

colors: {
  custom: {
    50: '#6e6ab0',
    500: '#21338e',
    950: '#000000',
  },
}

SCSS

$custom: #21338e;
$custom-light: #6e6ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#21338e",
  "rgb": {
    "r": 33,
    "g": 51,
    "b": 142
  },
  "hsl": {
    "h": 230.092,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.36987,
    "c": 0.15149,
    "h": 268.9
  },
  "luminance": 0.04644
}

Semantic roles & 50–950 ramp

primary

#21338E

secondary

#BAA950

accent

#CA42E5

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080611

muted

#7B7A80

Preview Lab

Preview with #21338E

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

Preview Lab → · Contrast checker → · Palette generator →