#28197F#28197F

#28197F is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.6% C 0.159 H 278.8°. Best body text is #FFFFFF at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#28197F
RGB	rgb(40, 25, 127)
HSL	hsl(249, 67%, 30%)
HSV	hsv(249, 80%, 50%)
CMYK	cmyk(68.5%, 80.3%, 0%, 50.2%)
CIE-LAB	lab(18.71, 38.40, -54.46)
CIE-LCH	lch(18.71, 66.64, 305.19°)
OKLab	oklab(31.62% 0.0244 -0.1573)
OKLCH	oklch(31.62% 0.159 278.8)
XYZ	xyz(5.0522, 2.6783, 20.3253)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28197F #707F19

analogous

#193D7F #28197F #5B197F

triadic

#28197F #7F2819 #197F28

tetradic

#28197F #7F193D #707F19 #197F5B

square

#28197F #7F193D #707F19 #197F5B

split-complementary

#28197F #7F5B19 #3D7F19

monochromatic

#08051A #180F4C #28197F #3823B2 #513AD8

Accessibility & contrast

On white

13.67

#28197F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#28197F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28197F

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28197F	#FFFFFF	#000000	##FFFFFF
##28197F	1.00	13.67	1.54	13.67
#FFFFFF	13.67	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003182

Deuteranopia (green-blind)

#00297D

Tritanopia (blue-blind)

#00374C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #28197f;
/* rgb */ color: rgb(40, 25, 127);
/* oklch */ color: oklch(31.6% 0.159 278.8);

Tailwind

colors: {
  custom: {
    50: '#7059a5',
    500: '#28197f',
    950: '#000000',
  },
}

SCSS

$custom: #28197f;
$custom-light: #7059a5;
$custom-dark: #000000;

JSON

{
  "hex": "#28197f",
  "rgb": {
    "r": 40,
    "g": 25,
    "b": 127
  },
  "hsl": {
    "h": 248.824,
    "s": 67.105,
    "l": 29.804
  },
  "oklch": {
    "l": 0.3162,
    "c": 0.15917,
    "h": 278.8
  },
  "luminance": 0.02679
}

Semantic roles & 50–950 ramp

primary

#28197F

secondary

#A2B341

accent

#EA3ED1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #28197F

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

Preview Lab → · Contrast checker → · Palette generator →