#28427D#28427D

#28427D is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.1% C 0.105 H 264.2°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#28427D
RGB	rgb(40, 66, 125)
HSL	hsl(222, 52%, 32%)
HSV	hsv(222, 68%, 49%)
CMYK	cmyk(68%, 47.2%, 0%, 51%)
CIE-LAB	lab(28.97, 10.87, -36.49)
CIE-LCH	lch(28.97, 38.07, 286.59°)
OKLab	oklab(39.14% -0.0105 -0.1043)
OKLCH	oklch(39.14% 0.105 264.2)
XYZ	xyz(6.5237, 5.8276, 20.1791)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28427D #7D6328

analogous

#286D7D #28427D #39287D

triadic

#28427D #7D2842 #427D28

tetradic

#28427D #7D286D #7D6328 #287D39

square

#28427D #7D286D #7D6328 #287D39

split-complementary

#28427D #7D3928 #6D7D28

monochromatic

#0A1120 #192A4F #28427D #375AAB #5679C9

Accessibility & contrast

On white

9.70

#28427D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#28427D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28427D

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28427D	#FFFFFF	#000000	##FFFFFF
##28427D	1.00	9.70	2.17	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25487F

Deuteranopia (green-blind)

#16417C

Tritanopia (blue-blind)

#005059

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #28427d;
/* rgb */ color: rgb(40, 66, 125);
/* oklch */ color: oklch(39.1% 0.105 264.2);

Tailwind

colors: {
  custom: {
    50: '#6c75a3',
    500: '#28427d',
    950: '#000000',
  },
}

SCSS

$custom: #28427d;
$custom-light: #6c75a3;
$custom-dark: #000000;

JSON

{
  "hex": "#28427d",
  "rgb": {
    "r": 40,
    "g": 66,
    "b": 125
  },
  "hsl": {
    "h": 221.647,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.39141,
    "c": 0.10484,
    "h": 264.2
  },
  "luminance": 0.05828
}

Semantic roles & 50–950 ramp

primary

#28427D

secondary

#AE9253

accent

#AF4DDB

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #28427D

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

Preview Lab → · Contrast checker → · Palette generator →