#28347E#28347E

#28347E is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.1% C 0.125 H 271.7°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#28347E
RGB	rgb(40, 52, 126)
HSL	hsl(232, 52%, 33%)
HSV	hsv(232, 68%, 49%)
CMYK	cmyk(68.3%, 58.7%, 0%, 50.6%)
CIE-LAB	lab(24.99, 20.92, -43.54)
CIE-LCH	lch(24.99, 48.30, 295.67°)
OKLab	oklab(36.15% 0.0037 -0.1253)
OKLCH	oklch(36.15% 0.125 271.7)
XYZ	xyz(5.8677, 4.4129, 20.2772)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28347E #7E7228

analogous

#285F7E #28347E #47287E

triadic

#28347E #7E2834 #347E28

tetradic

#28347E #7E285F #7E7228 #287E47

square

#28347E #7E285F #7E7228 #287E47

split-complementary

#28347E #7E4728 #5F7E28

monochromatic

#0B0E21 #192150 #28347E #3747AC #5767CA

Accessibility & contrast

On white

11.15

#28347E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#28347E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28347E

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28347E	#FFFFFF	#000000	##FFFFFF
##28347E	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F81

Deuteranopia (green-blind)

#00387D

Tritanopia (blue-blind)

#004653

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #28347e;
/* rgb */ color: rgb(40, 52, 126);
/* oklch */ color: oklch(36.1% 0.125 271.7);

Tailwind

colors: {
  custom: {
    50: '#6d6ba4',
    500: '#28347e',
    950: '#000000',
  },
}

SCSS

$custom: #28347e;
$custom-light: #6d6ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#28347e",
  "rgb": {
    "r": 40,
    "g": 52,
    "b": 126
  },
  "hsl": {
    "h": 231.628,
    "s": 51.807,
    "l": 32.549
  },
  "oklch": {
    "l": 0.36147,
    "c": 0.12531,
    "h": 271.7
  },
  "luminance": 0.04413
}

Semantic roles & 50–950 ramp

primary

#28347E

secondary

#AFA253

accent

#C74DDB

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #28347E

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

Preview Lab → · Contrast checker → · Palette generator →