#21498F#21498F

#21498F is a dark, vivid blue. Relative luminance 0.071; OKLCH L 41.7% C 0.125 H 260.7°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#21498F
RGB	rgb(33, 73, 143)
HSL	hsl(218, 63%, 35%)
HSV	hsv(218, 77%, 56%)
CMYK	cmyk(76.9%, 49%, 0%, 43.9%)
CIE-LAB	lab(31.97, 12.06, -42.83)
CIE-LCH	lch(31.97, 44.50, 285.72°)
OKLab	oklab(41.74% -0.0202 -0.123)
OKLCH	oklch(41.74% 0.125 260.7)
XYZ	xyz(7.9659, 7.0707, 26.9262)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21498F #8F6721

analogous

#21808F #21498F #30218F

triadic

#21498F #8F2149 #498F21

tetradic

#21498F #8F2180 #8F6721 #218F30

square

#21498F #8F2180 #8F6721 #218F30

split-complementary

#21498F #8F3021 #808F21

monochromatic

#0A162C #16305D #21498F #2C62C1 #5383D7

Accessibility & contrast

On white

8.70

#21498F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#21498F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21498F

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21498F	#FFFFFF	#000000	##FFFFFF
##21498F	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#225192

Deuteranopia (green-blind)

#01468E

Tritanopia (blue-blind)

#005A65

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #21498f;
/* rgb */ color: rgb(33, 73, 143);
/* oklch */ color: oklch(41.7% 0.125 260.7);

Tailwind

colors: {
  custom: {
    50: '#6d7bb0',
    500: '#21498f',
    950: '#000000',
  },
}

SCSS

$custom: #21498f;
$custom-light: #6d7bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#21498f",
  "rgb": {
    "r": 33,
    "g": 73,
    "b": 143
  },
  "hsl": {
    "h": 218.182,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.41742,
    "c": 0.12462,
    "h": 260.7
  },
  "luminance": 0.07072
}

Semantic roles & 50–950 ramp

primary

#21498F

secondary

#BB9451

accent

#AA42E6

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #21498F

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

Preview Lab → · Contrast checker → · Palette generator →