#28376E#28376E

#28376E is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.5% C 0.097 H 269.5°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#28376E
RGB	rgb(40, 55, 110)
HSL	hsl(227, 47%, 29%)
HSV	hsv(227, 64%, 43%)
CMYK	cmyk(63.6%, 50%, 0%, 56.9%)
CIE-LAB	lab(24.67, 12.74, -33.89)
CIE-LCH	lch(24.67, 36.21, 290.60°)
OKLab	oklab(35.52% -0.0009 -0.0968)
OKLCH	oklch(35.52% 0.097 269.5)
XYZ	xyz(5.0548, 4.3089, 15.3141)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28376E #6E5F28

analogous

#285A6E #28376E #3C286E

triadic

#28376E #6E2837 #376E28

tetradic

#28376E #6E285A #6E5F28 #286E3C

square

#28376E #6E285A #6E5F28 #286E3C

split-complementary

#28376E #6E3C28 #5A6E28

monochromatic

#080B16 #182141 #28376E #384D9B #5169C0

Accessibility & contrast

On white

11.28

#28376E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#28376E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28376E

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28376E	#FFFFFF	#000000	##FFFFFF
##28376E	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C3E70

Deuteranopia (green-blind)

#10386D

Tritanopia (blue-blind)

#00434D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #28376e;
/* rgb */ color: rgb(40, 55, 110);
/* oklch */ color: oklch(35.5% 0.097 269.5);

Tailwind

colors: {
  custom: {
    50: '#696d98',
    500: '#28376e',
    950: '#000000',
  },
}

SCSS

$custom: #28376e;
$custom-light: #696d98;
$custom-dark: #000000;

JSON

{
  "hex": "#28376e",
  "rgb": {
    "r": 40,
    "g": 55,
    "b": 110
  },
  "hsl": {
    "h": 227.143,
    "s": 46.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.35524,
    "c": 0.09685,
    "h": 269.5
  },
  "luminance": 0.04309
}

Semantic roles & 50–950 ramp

primary

#28376E

secondary

#A08F51

accent

#BA51D6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #28376E

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

Preview Lab → · Contrast checker → · Palette generator →