#28437A#28437A

#28437A is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.2% C 0.099 H 262.9°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#28437A
RGB	rgb(40, 67, 122)
HSL	hsl(220, 51%, 32%)
HSV	hsv(220, 67%, 48%)
CMYK	cmyk(67.2%, 45.1%, 0%, 52.2%)
CIE-LAB	lab(29.08, 9.03, -34.43)
CIE-LCH	lch(29.08, 35.60, 284.69°)
OKLab	oklab(39.16% -0.0122 -0.0983)
OKLCH	oklch(39.16% 0.099 262.9)
XYZ	xyz(6.3938, 5.8700, 19.2046)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28437A #7A5F28

analogous

#286C7A #28437A #36287A

triadic

#28437A #7A2843 #437A28

tetradic

#28437A #7A286C #7A5F28 #287A36

square

#28437A #7A286C #7A5F28 #287A36

split-complementary

#28437A #7A3628 #6C7A28

monochromatic

#0A101E #192A4C #28437A #375CA8 #557BC7

Accessibility & contrast

On white

9.66

#28437A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#28437A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28437A

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28437A	#FFFFFF	#000000	##FFFFFF
##28437A	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29497C

Deuteranopia (green-blind)

#1C4179

Tritanopia (blue-blind)

#005058

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #28437a;
/* rgb */ color: rgb(40, 67, 122);
/* oklch */ color: oklch(39.2% 0.099 262.9);

Tailwind

colors: {
  custom: {
    50: '#6b76a1',
    500: '#28437a',
    950: '#000000',
  },
}

SCSS

$custom: #28437a;
$custom-light: #6b76a1;
$custom-dark: #000000;

JSON

{
  "hex": "#28437a",
  "rgb": {
    "r": 40,
    "g": 67,
    "b": 122
  },
  "hsl": {
    "h": 220.244,
    "s": 50.617,
    "l": 31.765
  },
  "oklch": {
    "l": 0.39162,
    "c": 0.09901,
    "h": 262.9
  },
  "luminance": 0.05871
}

Semantic roles & 50–950 ramp

primary

#28437A

secondary

#AC8E52

accent

#AC4EDA

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07080F

muted

#7A7B7E

Preview Lab

Preview with #28437A

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

Preview Lab → · Contrast checker → · Palette generator →