#21549F#21549F

#21549F is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.4% C 0.134 H 258.4°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#21549F
RGB	rgb(33, 84, 159)
HSL	hsl(216, 66%, 38%)
HSV	hsv(216, 79%, 62%)
CMYK	cmyk(79.2%, 47.2%, 0%, 37.6%)
CIE-LAB	lab(36.30, 11.02, -45.56)
CIE-LCH	lch(36.30, 46.87, 283.60°)
OKLab	oklab(45.42% -0.0269 -0.1308)
OKLCH	oklch(45.42% 0.134 258.4)
XYZ	xyz(10.0532, 9.1660, 34.0335)
Luminance	0.0917 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21549F #9F6C21

analogous

#21939F #21549F #2D219F

triadic

#21549F #9F2154 #549F21

tetradic

#21549F #9F2193 #9F6C21 #219F2D

square

#21549F #9F2193 #9F6C21 #219F2D

split-complementary

#21549F #9F2D21 #939F21

monochromatic

#0C1E3A #16396C #21549F #2C6FD2 #5D91DD

Accessibility & contrast

On white

7.41

#21549F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#21549F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21549F

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21549F	#FFFFFF	#000000	##FFFFFF
##21549F	1.00	7.41	2.83	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5CA2

Deuteranopia (green-blind)

#09509E

Tritanopia (blue-blind)

#006672

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #21549f;
/* rgb */ color: rgb(33, 84, 159);
/* oklch */ color: oklch(45.4% 0.134 258.4);

Tailwind

colors: {
  custom: {
    50: '#7083bc',
    500: '#21549f',
    950: '#000000',
  },
}

SCSS

$custom: #21549f;
$custom-light: #7083bc;
$custom-dark: #000000;

JSON

{
  "hex": "#21549f",
  "rgb": {
    "r": 33,
    "g": 84,
    "b": 159
  },
  "hsl": {
    "h": 215.714,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.45422,
    "c": 0.1335,
    "h": 258.4
  },
  "luminance": 0.09167
}

Semantic roles & 50–950 ramp

primary

#21549F

secondary

#C2985A

accent

#A43FE9

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #21549F

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

Preview Lab → · Contrast checker → · Palette generator →