#28407E#28407E

#28407E is a dark, moderate blue. Relative luminance 0.056; OKLCH L 38.8% C 0.109 H 265.7°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#28407E
RGB	rgb(40, 64, 126)
HSL	hsl(223, 52%, 33%)
HSV	hsv(223, 68%, 49%)
CMYK	cmyk(68.3%, 49.2%, 0%, 50.6%)
CIE-LAB	lab(28.44, 12.62, -37.96)
CIE-LCH	lch(28.44, 40.01, 288.39°)
OKLab	oklab(38.76% -0.0083 -0.1087)
OKLCH	oklch(38.76% 0.109 265.7)
XYZ	xyz(6.4731, 5.6237, 20.4790)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28407E #7E6628

analogous

#286B7E #28407E #3B287E

triadic

#28407E #7E2840 #407E28

tetradic

#28407E #7E286B #7E6628 #287E3B

square

#28407E #7E286B #7E6628 #287E3B

split-complementary

#28407E #7E3B28 #6B7E28

monochromatic

#0B1121 #192850 #28407E #3758AC #5777CA

Accessibility & contrast

On white

9.88

#28407E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#28407E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28407E

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28407E	#FFFFFF	#000000	##FFFFFF
##28407E	1.00	9.88	2.12	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204780

Deuteranopia (green-blind)

#0E3F7D

Tritanopia (blue-blind)

#004E59

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #28407e;
/* rgb */ color: rgb(40, 64, 126);
/* oklch */ color: oklch(38.8% 0.109 265.7);

Tailwind

colors: {
  custom: {
    50: '#6c74a4',
    500: '#28407e',
    950: '#000000',
  },
}

SCSS

$custom: #28407e;
$custom-light: #6c74a4;
$custom-dark: #000000;

JSON

{
  "hex": "#28407e",
  "rgb": {
    "r": 40,
    "g": 64,
    "b": 126
  },
  "hsl": {
    "h": 223.256,
    "s": 51.807,
    "l": 32.549
  },
  "oklch": {
    "l": 0.38756,
    "c": 0.109,
    "h": 265.7
  },
  "luminance": 0.05624
}

Semantic roles & 50–950 ramp

primary

#28407E

secondary

#AF9553

accent

#B34DDB

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #28407E

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

Preview Lab → · Contrast checker → · Palette generator →