#21549C#21549C

#21549C is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.2% C 0.129 H 257.8°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#21549C
RGB	rgb(33, 84, 156)
HSL	hsl(215, 65%, 37%)
HSV	hsv(215, 79%, 61%)
CMYK	cmyk(78.8%, 46.2%, 0%, 38.8%)
CIE-LAB	lab(36.11, 9.83, -44.07)
CIE-LCH	lch(36.11, 45.15, 282.58°)
OKLab	oklab(45.21% -0.0274 -0.1264)
OKLCH	oklch(45.21% 0.129 257.8)
XYZ	xyz(9.7961, 9.0631, 32.6791)
Luminance	0.0906 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21549C #9C6921

analogous

#21929C #21549C #2C219C

triadic

#21549C #9C2154 #549C21

tetradic

#21549C #9C2192 #9C6921 #219C2C

square

#21549C #9C2192 #9C6921 #219C2C

split-complementary

#21549C #9C2C21 #929C21

monochromatic

#0C1E37 #163969 #21549C #2C6FCF #5B91DC

Accessibility & contrast

On white

7.47

#21549C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#21549C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21549C

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21549C	#FFFFFF	#000000	##FFFFFF
##21549C	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5B9F

Deuteranopia (green-blind)

#12509B

Tritanopia (blue-blind)

#006570

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #21549c;
/* rgb */ color: rgb(33, 84, 156);
/* oklch */ color: oklch(45.2% 0.129 257.8);

Tailwind

colors: {
  custom: {
    50: '#6f83ba',
    500: '#21549c',
    950: '#000000',
  },
}

SCSS

$custom: #21549c;
$custom-light: #6f83ba;
$custom-dark: #000000;

JSON

{
  "hex": "#21549c",
  "rgb": {
    "r": 33,
    "g": 84,
    "b": 156
  },
  "hsl": {
    "h": 215.122,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.45207,
    "c": 0.12934,
    "h": 257.8
  },
  "luminance": 0.09064
}

Semantic roles & 50–950 ramp

primary

#21549C

secondary

#C19558

accent

#A240E8

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #21549C

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

Preview Lab → · Contrast checker → · Palette generator →