#28248E#28248E

#28248E is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.8% C 0.167 H 275.0°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#28248E
RGB	rgb(40, 36, 142)
HSL	hsl(242, 60%, 35%)
HSV	hsv(242, 75%, 56%)
CMYK	cmyk(71.8%, 74.6%, 0%, 44.3%)
CIE-LAB	lab(22.53, 37.19, -57.58)
CIE-LCH	lch(22.53, 68.54, 302.86°)
OKLab	oklab(34.81% 0.0145 -0.1665)
OKLCH	oklch(34.81% 0.167 275)
XYZ	xyz(6.3868, 3.6653, 25.9568)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28248E #8A8E24

analogous

#24558E #28248E #5D248E

triadic

#28248E #8E2824 #248E28

tetradic

#28248E #8E2455 #8A8E24 #248E5D

square

#28248E #8E2455 #8A8E24 #248E5D

split-complementary

#28248E #8E5D24 #558E24

monochromatic

#0C0B2C #1A185D #28248E #3630BF #5D58D5

Accessibility & contrast

On white

12.12

#28248E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#28248E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28248E

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28248E	#FFFFFF	#000000	##FFFFFF
##28248E	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B91

Deuteranopia (green-blind)

#00318C

Tritanopia (blue-blind)

#004257

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #28248e;
/* rgb */ color: rgb(40, 36, 142);
/* oklch */ color: oklch(34.8% 0.167 275.0);

Tailwind

colors: {
  custom: {
    50: '#7260b0',
    500: '#28248e',
    950: '#000000',
  },
}

SCSS

$custom: #28248e;
$custom-light: #7260b0;
$custom-dark: #000000;

JSON

{
  "hex": "#28248e",
  "rgb": {
    "r": 40,
    "g": 36,
    "b": 142
  },
  "hsl": {
    "h": 242.264,
    "s": 59.551,
    "l": 34.902
  },
  "oklch": {
    "l": 0.34805,
    "c": 0.16709,
    "h": 275
  },
  "luminance": 0.03666
}

Semantic roles & 50–950 ramp

primary

#28248E

secondary

#B5B955

accent

#E345DD

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #28248E

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

Preview Lab → · Contrast checker → · Palette generator →