#28457A#28457A

#28457A is a dark, moderate blue. Relative luminance 0.061; OKLCH L 39.6% C 0.096 H 261.4°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#28457A
RGB	rgb(40, 69, 122)
HSL	hsl(219, 51%, 32%)
HSV	hsv(219, 67%, 48%)
CMYK	cmyk(67.2%, 43.4%, 0%, 52.2%)
CIE-LAB	lab(29.69, 7.67, -33.46)
CIE-LCH	lch(29.69, 34.33, 282.91°)
OKLab	oklab(39.63% -0.0143 -0.0954)
OKLCH	oklch(39.63% 0.096 261.4)
XYZ	xyz(6.5148, 6.1119, 19.2450)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28457A #7A5D28

analogous

#286E7A #28457A #34287A

triadic

#28457A #7A2845 #457A28

tetradic

#28457A #7A286E #7A5D28 #287A34

square

#28457A #7A286E #7A5D28 #287A34

split-complementary

#28457A #7A3428 #6E7A28

monochromatic

#0A111E #192B4C #28457A #375FA8 #557DC7

Accessibility & contrast

On white

9.45

#28457A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#28457A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28457A

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28457A	#FFFFFF	#000000	##FFFFFF
##28457A	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4A7C

Deuteranopia (green-blind)

#204279

Tritanopia (blue-blind)

#005159

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #28457a;
/* rgb */ color: rgb(40, 69, 122);
/* oklch */ color: oklch(39.6% 0.096 261.4);

Tailwind

colors: {
  custom: {
    50: '#6b78a1',
    500: '#28457a',
    950: '#000000',
  },
}

SCSS

$custom: #28457a;
$custom-light: #6b78a1;
$custom-dark: #000000;

JSON

{
  "hex": "#28457a",
  "rgb": {
    "r": 40,
    "g": 69,
    "b": 122
  },
  "hsl": {
    "h": 218.78,
    "s": 50.617,
    "l": 31.765
  },
  "oklch": {
    "l": 0.39633,
    "c": 0.09644,
    "h": 261.4
  },
  "luminance": 0.06113
}

Semantic roles & 50–950 ramp

primary

#28457A

secondary

#AC8C52

accent

#A84EDA

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07080F

muted

#7A7B7E

Preview Lab

Preview with #28457A

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

Preview Lab → · Contrast checker → · Palette generator →