#28197A#28197A

#28197A is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.1% C 0.153 H 279.7°. Best body text is #FFFFFF at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#28197A
RGB	rgb(40, 25, 122)
HSL	hsl(249, 66%, 29%)
HSV	hsv(249, 80%, 48%)
CMYK	cmyk(67.2%, 79.5%, 0%, 52.2%)
CIE-LAB	lab(18.15, 36.78, -52.20)
CIE-LCH	lch(18.15, 63.85, 305.17°)
OKLab	oklab(31.06% 0.0258 -0.1507)
OKLCH	oklch(31.06% 0.153 279.7)
XYZ	xyz(4.7344, 2.5511, 18.6515)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28197A #6B7A19

analogous

#193B7A #28197A #59197A

triadic

#28197A #7A2819 #197A28

tetradic

#28197A #7A193B #6B7A19 #197A59

square

#28197A #7A193B #6B7A19 #197A59

split-complementary

#28197A #7A5919 #3B7A19

monochromatic

#080519 #170F47 #28197A #3923AD #5037D6

Accessibility & contrast

On white

13.90

#28197A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#28197A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28197A

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28197A	#FFFFFF	#000000	##FFFFFF
##28197A	1.00	13.90	1.51	13.90
#FFFFFF	13.90	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307D

Deuteranopia (green-blind)

#002978

Tritanopia (blue-blind)

#003549

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #28197a;
/* rgb */ color: rgb(40, 25, 122);
/* oklch */ color: oklch(31.1% 0.153 279.7);

Tailwind

colors: {
  custom: {
    50: '#6e58a2',
    500: '#28197a',
    950: '#000000',
  },
}

SCSS

$custom: #28197a;
$custom-light: #6e58a2;
$custom-dark: #000000;

JSON

{
  "hex": "#28197a",
  "rgb": {
    "r": 40,
    "g": 25,
    "b": 122
  },
  "hsl": {
    "h": 249.278,
    "s": 65.986,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31063,
    "c": 0.15288,
    "h": 279.7
  },
  "luminance": 0.02552
}

Semantic roles & 50–950 ramp

primary

#28197A

secondary

#9DAF40

accent

#E93FCF

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #28197A

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

Preview Lab → · Contrast checker → · Palette generator →