#28477F#28477F

#28477F is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.4% C 0.101 H 261.2°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#28477F
RGB	rgb(40, 71, 127)
HSL	hsl(219, 52%, 33%)
HSV	hsv(219, 69%, 50%)
CMYK	cmyk(68.5%, 44.1%, 0%, 50.2%)
CIE-LAB	lab(30.61, 8.24, -35.11)
CIE-LCH	lch(30.61, 36.06, 283.20°)
OKLab	oklab(40.45% -0.0154 -0.1002)
OKLCH	oklch(40.45% 0.101 261.2)
XYZ	xyz(6.9577, 6.4892, 20.9604)
Luminance	0.0649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28477F #7F6028

analogous

#28727F #28477F #35287F

triadic

#28477F #7F2847 #477F28

tetradic

#28477F #7F2872 #7F6028 #287F35

square

#28477F #7F2872 #7F6028 #287F35

split-complementary

#28477F #7F3528 #727F28

monochromatic

#0B1322 #192D50 #28477F #3761AE #5780CA

Accessibility & contrast

On white

9.14

#28477F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#28477F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28477F

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28477F	#FFFFFF	#000000	##FFFFFF
##28477F	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4C81

Deuteranopia (green-blind)

#1F447E

Tritanopia (blue-blind)

#00545C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #28477f;
/* rgb */ color: rgb(40, 71, 127);
/* oklch */ color: oklch(40.4% 0.101 261.2);

Tailwind

colors: {
  custom: {
    50: '#6c79a4',
    500: '#28477f',
    950: '#000000',
  },
}

SCSS

$custom: #28477f;
$custom-light: #6c79a4;
$custom-dark: #000000;

JSON

{
  "hex": "#28477f",
  "rgb": {
    "r": 40,
    "g": 71,
    "b": 127
  },
  "hsl": {
    "h": 218.621,
    "s": 52.096,
    "l": 32.745
  },
  "oklch": {
    "l": 0.40445,
    "c": 0.10137,
    "h": 261.2
  },
  "luminance": 0.0649
}

Semantic roles & 50–950 ramp

primary

#28477F

secondary

#AF8F54

accent

#A84CDC

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #28477F

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

Preview Lab → · Contrast checker → · Palette generator →