#21459E#21459E

#21459E is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.1% C 0.151 H 264.2°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#21459E
RGB	rgb(33, 69, 158)
HSL	hsl(223, 65%, 37%)
HSV	hsv(223, 79%, 62%)
CMYK	cmyk(79.1%, 56.3%, 0%, 38%)
CIE-LAB	lab(31.91, 20.73, -52.05)
CIE-LCH	lch(31.91, 56.02, 291.72°)
OKLab	oklab(42.05% -0.0152 -0.1502)
OKLCH	oklch(42.05% 0.151 264.2)
XYZ	xyz(8.9247, 7.0472, 33.2310)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21459E #9E7A21

analogous

#21849E #21459E #3C219E

triadic

#21459E #9E2145 #459E21

tetradic

#21459E #9E2184 #9E7A21 #219E3C

square

#21459E #9E2184 #9E7A21 #219E3C

split-complementary

#21459E #9E3C21 #849E21

monochromatic

#0C1939 #162F6B #21459E #2C5BD1 #5C81DD

Accessibility & contrast

On white

8.72

#21459E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#21459E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21459E

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21459E	#FFFFFF	#000000	##FFFFFF
##21459E	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A1

Deuteranopia (green-blind)

#00469C

Tritanopia (blue-blind)

#005B6A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #21459e;
/* rgb */ color: rgb(33, 69, 158);
/* oklch */ color: oklch(42.1% 0.151 264.2);

Tailwind

colors: {
  custom: {
    50: '#7178bb',
    500: '#21459e',
    950: '#000000',
  },
}

SCSS

$custom: #21459e;
$custom-light: #7178bb;
$custom-dark: #000000;

JSON

{
  "hex": "#21459e",
  "rgb": {
    "r": 33,
    "g": 69,
    "b": 158
  },
  "hsl": {
    "h": 222.72,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.42051,
    "c": 0.15093,
    "h": 264.2
  },
  "luminance": 0.07048
}

Semantic roles & 50–950 ramp

primary

#21459E

secondary

#C1A359

accent

#B83FE8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #21459E

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

Preview Lab → · Contrast checker → · Palette generator →