#28396D#28396D

#28396D is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.9% C 0.092 H 267.9°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#28396D
RGB	rgb(40, 57, 109)
HSL	hsl(225, 46%, 29%)
HSV	hsv(225, 63%, 43%)
CMYK	cmyk(63.3%, 47.7%, 0%, 57.3%)
CIE-LAB	lab(25.20, 10.96, -32.40)
CIE-LCH	lch(25.20, 34.20, 288.70°)
OKLab	oklab(35.91% -0.0033 -0.0924)
OKLCH	oklch(35.91% 0.092 267.9)
XYZ	xyz(5.0976, 4.4811, 15.0613)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28396D #6D5C28

analogous

#285C6D #28396D #3A286D

triadic

#28396D #6D2839 #396D28

tetradic

#28396D #6D285C #6D5C28 #286D3A

square

#28396D #6D285C #6D5C28 #286D3A

split-complementary

#28396D #6D3A28 #5C6D28

monochromatic

#080C16 #182240 #28396D #38509A #506CBF

Accessibility & contrast

On white

11.07

#28396D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#28396D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28396D

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28396D	#FFFFFF	#000000	##FFFFFF
##28396D	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#213F6F

Deuteranopia (green-blind)

#16396C

Tritanopia (blue-blind)

#00454D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #28396d;
/* rgb */ color: rgb(40, 57, 109);
/* oklch */ color: oklch(35.9% 0.092 267.9);

Tailwind

colors: {
  custom: {
    50: '#696f97',
    500: '#28396d',
    950: '#000000',
  },
}

SCSS

$custom: #28396d;
$custom-light: #696f97;
$custom-dark: #000000;

JSON

{
  "hex": "#28396d",
  "rgb": {
    "r": 40,
    "g": 57,
    "b": 109
  },
  "hsl": {
    "h": 225.217,
    "s": 46.309,
    "l": 29.216
  },
  "oklch": {
    "l": 0.35911,
    "c": 0.09248,
    "h": 267.9
  },
  "luminance": 0.04481
}

Semantic roles & 50–950 ramp

primary

#28396D

secondary

#9F8C51

accent

#B552D6

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #28396D

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

Preview Lab → · Contrast checker → · Palette generator →