#21459B#21459B

#21459B is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.8% C 0.147 H 264.0°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#21459B
RGB	rgb(33, 69, 155)
HSL	hsl(222, 65%, 37%)
HSV	hsv(222, 79%, 61%)
CMYK	cmyk(78.7%, 55.5%, 0%, 39.2%)
CIE-LAB	lab(31.68, 19.55, -50.61)
CIE-LCH	lch(31.68, 54.25, 291.12°)
OKLab	oklab(41.8% -0.0154 -0.1459)
OKLCH	oklch(41.8% 0.147 264)
XYZ	xyz(8.6696, 6.9451, 31.8876)
Luminance	0.0695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21459B #9B7721

analogous

#21829B #21459B #3A219B

triadic

#21459B #9B2145 #459B21

tetradic

#21459B #9B2182 #9B7721 #219B3A

square

#21459B #9B2182 #9B7721 #219B3A

split-complementary

#21459B #9B3A21 #829B21

monochromatic

#0C1836 #162F69 #21459B #2C5BCD #5A81DC

Accessibility & contrast

On white

8.79

#21459B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#21459B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21459B

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21459B	#FFFFFF	#000000	##FFFFFF
##21459B	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509E

Deuteranopia (green-blind)

#004599

Tritanopia (blue-blind)

#005A69

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #21459b;
/* rgb */ color: rgb(33, 69, 155);
/* oklch */ color: oklch(41.8% 0.147 264.0);

Tailwind

colors: {
  custom: {
    50: '#7078b9',
    500: '#21459b',
    950: '#000000',
  },
}

SCSS

$custom: #21459b;
$custom-light: #7078b9;
$custom-dark: #000000;

JSON

{
  "hex": "#21459b",
  "rgb": {
    "r": 33,
    "g": 69,
    "b": 155
  },
  "hsl": {
    "h": 222.295,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.41802,
    "c": 0.14674,
    "h": 264
  },
  "luminance": 0.06946
}

Semantic roles & 50–950 ramp

primary

#21459B

secondary

#C0A158

accent

#B640E8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #21459B

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

Preview Lab → · Contrast checker → · Palette generator →