#28358C#28358C

#28358C is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.6% C 0.144 H 271.1°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#28358C
RGB	rgb(40, 53, 140)
HSL	hsl(232, 56%, 35%)
HSV	hsv(232, 71%, 55%)
CMYK	cmyk(71.4%, 62.1%, 0%, 45.1%)
CIE-LAB	lab(26.42, 25.54, -49.96)
CIE-LCH	lch(26.42, 56.11, 297.08°)
OKLab	oklab(37.57% 0.0029 -0.1441)
OKLCH	oklch(37.57% 0.144 271.1)
XYZ	xyz(6.8802, 4.8901, 25.3872)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28358C #8C7F28

analogous

#28678C #28358C #4D288C

triadic

#28358C #8C2835 #358C28

tetradic

#28358C #8C2867 #8C7F28 #288C4D

square

#28358C #8C2867 #8C7F28 #288C4D

split-complementary

#28358C #8C4D28 #678C28

monochromatic

#0D112D #1A235C #28358C #3647BC #5E6DD1

Accessibility & contrast

On white

10.62

#28358C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#28358C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28358C

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28358C	#FFFFFF	#000000	##FFFFFF
##28358C	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438F

Deuteranopia (green-blind)

#003A8A

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #28358c;
/* rgb */ color: rgb(40, 53, 140);
/* oklch */ color: oklch(37.6% 0.144 271.1);

Tailwind

colors: {
  custom: {
    50: '#706cae',
    500: '#28358c',
    950: '#000000',
  },
}

SCSS

$custom: #28358c;
$custom-light: #706cae;
$custom-dark: #000000;

JSON

{
  "hex": "#28358c",
  "rgb": {
    "r": 40,
    "g": 53,
    "b": 140
  },
  "hsl": {
    "h": 232.2,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.37571,
    "c": 0.14415,
    "h": 271.1
  },
  "luminance": 0.04891
}

Semantic roles & 50–950 ramp

primary

#28358C

secondary

#B6AA5A

accent

#CB49DF

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #28358C

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

Preview Lab → · Contrast checker → · Palette generator →