#28477E#28477E

#28477E is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.4% C 0.100 H 261.0°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#28477E
RGB	rgb(40, 71, 126)
HSL	hsl(218, 52%, 33%)
HSV	hsv(218, 68%, 49%)
CMYK	cmyk(68.3%, 43.7%, 0%, 50.6%)
CIE-LAB	lab(30.55, 7.85, -34.59)
CIE-LCH	lch(30.55, 35.47, 282.79°)
OKLab	oklab(40.38% -0.0157 -0.0986)
OKLCH	oklch(40.38% 0.1 261)
XYZ	xyz(6.8929, 6.4633, 20.6189)
Luminance	0.0646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28477E #7E5F28

analogous

#28727E #28477E #34287E

triadic

#28477E #7E2847 #477E28

tetradic

#28477E #7E2872 #7E5F28 #287E34

square

#28477E #7E2872 #7E5F28 #287E34

split-complementary

#28477E #7E3428 #727E28

monochromatic

#0B1321 #192D50 #28477E #3761AC #5780CA

Accessibility & contrast

On white

9.16

#28477E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#28477E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28477E

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28477E	#FFFFFF	#000000	##FFFFFF
##28477E	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4C80

Deuteranopia (green-blind)

#20447D

Tritanopia (blue-blind)

#00545C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #28477e;
/* rgb */ color: rgb(40, 71, 126);
/* oklch */ color: oklch(40.4% 0.100 261.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#28477e",
  "rgb": {
    "r": 40,
    "g": 71,
    "b": 126
  },
  "hsl": {
    "h": 218.372,
    "s": 51.807,
    "l": 32.549
  },
  "oklch": {
    "l": 0.40377,
    "c": 0.09989,
    "h": 261
  },
  "luminance": 0.06464
}

Semantic roles & 50–950 ramp

primary

#28477E

secondary

#AF8E53

accent

#A84DDB

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #28477E

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

Preview Lab → · Contrast checker → · Palette generator →