#21549D#21549D

#21549D is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.3% C 0.131 H 258.0°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#21549D
RGB	rgb(33, 84, 157)
HSL	hsl(215, 65%, 37%)
HSV	hsv(215, 79%, 62%)
CMYK	cmyk(79%, 46.5%, 0%, 38.4%)
CIE-LAB	lab(36.17, 10.23, -44.57)
CIE-LCH	lch(36.17, 45.72, 282.93°)
OKLab	oklab(45.28% -0.0272 -0.1279)
OKLCH	oklch(45.28% 0.131 258)
XYZ	xyz(9.8811, 9.0971, 33.1269)
Luminance	0.0910 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21549D #9D6A21

analogous

#21929D #21549D #2C219D

triadic

#21549D #9D2154 #549D21

tetradic

#21549D #9D2192 #9D6A21 #219D2C

square

#21549D #9D2192 #9D6A21 #219D2C

split-complementary

#21549D #9D2C21 #929D21

monochromatic

#0C1E38 #16396A #21549D #2C6FD0 #5C91DD

Accessibility & contrast

On white

7.45

#21549D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#21549D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21549D

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21549D	#FFFFFF	#000000	##FFFFFF
##21549D	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5BA0

Deuteranopia (green-blind)

#10509C

Tritanopia (blue-blind)

#006571

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #21549d;
/* rgb */ color: rgb(33, 84, 157);
/* oklch */ color: oklch(45.3% 0.131 258.0);

Tailwind

colors: {
  custom: {
    50: '#7083ba',
    500: '#21549d',
    950: '#000000',
  },
}

SCSS

$custom: #21549d;
$custom-light: #7083ba;
$custom-dark: #000000;

JSON

{
  "hex": "#21549d",
  "rgb": {
    "r": 33,
    "g": 84,
    "b": 157
  },
  "hsl": {
    "h": 215.323,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.45278,
    "c": 0.13073,
    "h": 258
  },
  "luminance": 0.09098
}

Semantic roles & 50–950 ramp

primary

#21549D

secondary

#C19659

accent

#A340E8

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #21549D

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

Preview Lab → · Contrast checker → · Palette generator →