#28197E#28197E

#28197E is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.5% C 0.158 H 279.0°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#28197E
RGB	rgb(40, 25, 126)
HSL	hsl(249, 67%, 30%)
HSV	hsv(249, 80%, 49%)
CMYK	cmyk(68.3%, 80.2%, 0%, 50.6%)
CIE-LAB	lab(18.59, 38.08, -54.01)
CIE-LCH	lch(18.59, 66.09, 305.18°)
OKLab	oklab(31.51% 0.0247 -0.156)
OKLCH	oklch(31.51% 0.158 279)
XYZ	xyz(4.9874, 2.6523, 19.9837)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28197E #6F7E19

analogous

#193D7E #28197E #5B197E

triadic

#28197E #7E2819 #197E28

tetradic

#28197E #7E193D #6F7E19 #197E5B

square

#28197E #7E193D #6F7E19 #197E5B

split-complementary

#28197E #7E5B19 #3D7E19

monochromatic

#08051A #180F4B #28197E #3823B1 #513AD8

Accessibility & contrast

On white

13.72

#28197E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#28197E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28197E

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28197E	#FFFFFF	#000000	##FFFFFF
##28197E	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003181

Deuteranopia (green-blind)

#00297C

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #28197e;
/* rgb */ color: rgb(40, 25, 126);
/* oklch */ color: oklch(31.5% 0.158 279.0);

Tailwind

colors: {
  custom: {
    50: '#6f59a4',
    500: '#28197e',
    950: '#000000',
  },
}

SCSS

$custom: #28197e;
$custom-light: #6f59a4;
$custom-dark: #000000;

JSON

{
  "hex": "#28197e",
  "rgb": {
    "r": 40,
    "g": 25,
    "b": 126
  },
  "hsl": {
    "h": 248.911,
    "s": 66.887,
    "l": 29.608
  },
  "oklch": {
    "l": 0.31508,
    "c": 0.15792,
    "h": 279
  },
  "luminance": 0.02653
}

Semantic roles & 50–950 ramp

primary

#28197E

secondary

#A1B241

accent

#EA3ED0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #28197E

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

Preview Lab → · Contrast checker → · Palette generator →