#21459C#21459C

#21459C is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.9% C 0.148 H 264.1°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#21459C
RGB	rgb(33, 69, 156)
HSL	hsl(222, 65%, 37%)
HSV	hsv(222, 79%, 61%)
CMYK	cmyk(78.8%, 55.8%, 0%, 38.8%)
CIE-LAB	lab(31.76, 19.94, -51.09)
CIE-LCH	lch(31.76, 54.84, 291.32°)
OKLab	oklab(41.88% -0.0153 -0.1473)
OKLCH	oklch(41.88% 0.148 264.1)
XYZ	xyz(8.7539, 6.9789, 32.3317)
Luminance	0.0698 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21459C #9C7821

analogous

#21839C #21459C #3B219C

triadic

#21459C #9C2145 #459C21

tetradic

#21459C #9C2183 #9C7821 #219C3B

square

#21459C #9C2183 #9C7821 #219C3B

split-complementary

#21459C #9C3B21 #839C21

monochromatic

#0C1837 #162F69 #21459C #2C5BCF #5B81DC

Accessibility & contrast

On white

8.76

#21459C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#21459C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21459C

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21459C	#FFFFFF	#000000	##FFFFFF
##21459C	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00519F

Deuteranopia (green-blind)

#00459A

Tritanopia (blue-blind)

#005A69

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #21459c;
/* rgb */ color: rgb(33, 69, 156);
/* oklch */ color: oklch(41.9% 0.148 264.1);

Tailwind

colors: {
  custom: {
    50: '#7078ba',
    500: '#21459c',
    950: '#000000',
  },
}

SCSS

$custom: #21459c;
$custom-light: #7078ba;
$custom-dark: #000000;

JSON

{
  "hex": "#21459c",
  "rgb": {
    "r": 33,
    "g": 69,
    "b": 156
  },
  "hsl": {
    "h": 222.439,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.41884,
    "c": 0.14814,
    "h": 264.1
  },
  "luminance": 0.0698
}

Semantic roles & 50–950 ramp

primary

#21459C

secondary

#C1A258

accent

#B740E8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #21459C

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

Preview Lab → · Contrast checker → · Palette generator →