#28367E#28367E

#28367E is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.6% C 0.123 H 270.8°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#28367E
RGB	rgb(40, 54, 126)
HSL	hsl(230, 52%, 33%)
HSV	hsv(230, 68%, 49%)
CMYK	cmyk(68.3%, 57.1%, 0%, 50.6%)
CIE-LAB	lab(25.55, 19.54, -42.63)
CIE-LCH	lch(25.55, 46.90, 294.62°)
OKLab	oklab(36.56% 0.0018 -0.1226)
OKLCH	oklch(36.56% 0.123 270.8)
XYZ	xyz(5.9589, 4.5953, 20.3076)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28367E #7E7028

analogous

#28617E #28367E #45287E

triadic

#28367E #7E2836 #367E28

tetradic

#28367E #7E2861 #7E7028 #287E45

square

#28367E #7E2861 #7E7028 #287E45

split-complementary

#28367E #7E4528 #617E28

monochromatic

#0B0E21 #192250 #28367E #374AAC #5769CA

Accessibility & contrast

On white

10.94

#28367E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#28367E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28367E

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28367E	#FFFFFF	#000000	##FFFFFF
##28367E	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004180

Deuteranopia (green-blind)

#00397D

Tritanopia (blue-blind)

#004754

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #28367e;
/* rgb */ color: rgb(40, 54, 126);
/* oklch */ color: oklch(36.6% 0.123 270.8);

Tailwind

colors: {
  custom: {
    50: '#6d6ca4',
    500: '#28367e',
    950: '#000000',
  },
}

SCSS

$custom: #28367e;
$custom-light: #6d6ca4;
$custom-dark: #000000;

JSON

{
  "hex": "#28367e",
  "rgb": {
    "r": 40,
    "g": 54,
    "b": 126
  },
  "hsl": {
    "h": 230.233,
    "s": 51.807,
    "l": 32.549
  },
  "oklch": {
    "l": 0.36564,
    "c": 0.12258,
    "h": 270.8
  },
  "luminance": 0.04596
}

Semantic roles & 50–950 ramp

primary

#28367E

secondary

#AFA053

accent

#C44DDB

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #28367E

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

Preview Lab → · Contrast checker → · Palette generator →