#24539B#24539B

#24539B is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.0% C 0.128 H 258.9°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#24539B
RGB	rgb(36, 83, 155)
HSL	hsl(216, 62%, 37%)
HSV	hsv(216, 77%, 61%)
CMYK	cmyk(76.8%, 46.5%, 0%, 39.2%)
CIE-LAB	lab(35.84, 10.48, -43.88)
CIE-LCH	lch(35.84, 45.12, 283.43°)
OKLab	oklab(45.01% -0.0247 -0.1258)
OKLCH	oklch(45.01% 0.128 258.9)
XYZ	xyz(9.7350, 8.9270, 32.2140)
Luminance	0.0893 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#24539B #9B6C24

analogous

#248E9B #24539B #31249B

triadic

#24539B #9B2453 #539B24

tetradic

#24539B #9B248E #9B6C24 #249B31

square

#24539B #9B248E #9B6C24 #249B31

split-complementary

#24539B #9B3124 #8E9B24

monochromatic

#0D1E38 #183869 #24539B #306ECD #5F90DA

Accessibility & contrast

On white

7.54

#24539B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#24539B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #24539B

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##24539B	#FFFFFF	#000000	##FFFFFF
##24539B	1.00	7.54	2.79	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5A9E

Deuteranopia (green-blind)

#124F9A

Tritanopia (blue-blind)

#00646F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #24539b;
/* rgb */ color: rgb(36, 83, 155);
/* oklch */ color: oklch(45.0% 0.128 258.9);

Tailwind

colors: {
  custom: {
    50: '#7082b9',
    500: '#24539b',
    950: '#000000',
  },
}

SCSS

$custom: #24539b;
$custom-light: #7082b9;
$custom-dark: #000000;

JSON

{
  "hex": "#24539b",
  "rgb": {
    "r": 36,
    "g": 83,
    "b": 155
  },
  "hsl": {
    "h": 216.303,
    "s": 62.304,
    "l": 37.451
  },
  "oklch": {
    "l": 0.45012,
    "c": 0.12824,
    "h": 258.9
  },
  "luminance": 0.08928
}

Semantic roles & 50–950 ramp

primary

#24539B

secondary

#BF985C

accent

#A542E5

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #24539B

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

Preview Lab → · Contrast checker → · Palette generator →