#28197D#28197D

#28197D is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.4% C 0.157 H 279.2°. Best body text is #FFFFFF at 13.77:1 contrast (WCAG AA passes).

Color values

HEX	#28197D
RGB	rgb(40, 25, 125)
HSL	hsl(249, 67%, 29%)
HSV	hsv(249, 80%, 49%)
CMYK	cmyk(68%, 80%, 0%, 51%)
CIE-LAB	lab(18.48, 37.75, -53.56)
CIE-LCH	lch(18.48, 65.53, 305.18°)
OKLab	oklab(31.4% 0.025 -0.1547)
OKLCH	oklch(31.4% 0.157 279.2)
XYZ	xyz(4.9232, 2.6266, 19.6456)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28197D #6E7D19

analogous

#193C7D #28197D #5A197D

triadic

#28197D #7D2819 #197D28

tetradic

#28197D #7D193C #6E7D19 #197D5A

square

#28197D #7D193C #6E7D19 #197D5A

split-complementary

#28197D #7D5A19 #3C7D19

monochromatic

#08051A #180F4A #28197D #3823B0 #5139D7

Accessibility & contrast

On white

13.77

#28197D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#28197D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28197D

13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28197D	#FFFFFF	#000000	##FFFFFF
##28197D	1.00	13.77	1.53	13.77
#FFFFFF	13.77	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003180

Deuteranopia (green-blind)

#00297B

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #28197d;
/* rgb */ color: rgb(40, 25, 125);
/* oklch */ color: oklch(31.4% 0.157 279.2);

Tailwind

colors: {
  custom: {
    50: '#6f58a4',
    500: '#28197d',
    950: '#000000',
  },
}

SCSS

$custom: #28197d;
$custom-light: #6f58a4;
$custom-dark: #000000;

JSON

{
  "hex": "#28197d",
  "rgb": {
    "r": 40,
    "g": 25,
    "b": 125
  },
  "hsl": {
    "h": 249,
    "s": 66.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.31396,
    "c": 0.15667,
    "h": 279.2
  },
  "luminance": 0.02627
}

Semantic roles & 50–950 ramp

primary

#28197D

secondary

#A0B140

accent

#EA3ED0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #28197D

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

Preview Lab → · Contrast checker → · Palette generator →