#28438E#28438E

#28438E is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.6% C 0.129 H 265.9°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#28438E
RGB	rgb(40, 67, 142)
HSL	hsl(224, 56%, 36%)
HSV	hsv(224, 72%, 56%)
CMYK	cmyk(71.8%, 52.8%, 0%, 44.3%)
CIE-LAB	lab(30.44, 16.75, -44.66)
CIE-LCH	lch(30.44, 47.70, 290.56°)
OKLab	oklab(40.64% -0.0091 -0.1283)
OKLCH	oklch(40.64% 0.129 265.9)
XYZ	xyz(7.7630, 6.4176, 26.4155)
Luminance	0.0642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28438E #8E7328

analogous

#28768E #28438E #40288E

triadic

#28438E #8E2843 #438E28

tetradic

#28438E #8E2876 #8E7328 #288E40

square

#28438E #8E2876 #8E7328 #288E40

split-complementary

#28438E #8E4028 #768E28

monochromatic

#0D162F #1B2C5E #28438E #355ABE #5F7DD2

Accessibility & contrast

On white

9.20

#28438E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#28438E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28438E

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28438E	#FFFFFF	#000000	##FFFFFF
##28438E	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#144D91

Deuteranopia (green-blind)

#00438C

Tritanopia (blue-blind)

#005562

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #28438e;
/* rgb */ color: rgb(40, 67, 142);
/* oklch */ color: oklch(40.6% 0.129 265.9);

Tailwind

colors: {
  custom: {
    50: '#6f76b0',
    500: '#28438e',
    950: '#000000',
  },
}

SCSS

$custom: #28438e;
$custom-light: #6f76b0;
$custom-dark: #000000;

JSON

{
  "hex": "#28438e",
  "rgb": {
    "r": 40,
    "g": 67,
    "b": 142
  },
  "hsl": {
    "h": 224.118,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.40638,
    "c": 0.12867,
    "h": 265.9
  },
  "luminance": 0.06418
}

Semantic roles & 50–950 ramp

primary

#28438E

secondary

#B79F5B

accent

#B748DF

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #28438E

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

Preview Lab → · Contrast checker → · Palette generator →