#28359F#28359F

#28359F is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.3% C 0.170 H 270.7°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#28359F
RGB	rgb(40, 53, 159)
HSL	hsl(233, 60%, 39%)
HSV	hsv(233, 75%, 62%)
CMYK	cmyk(74.8%, 66.7%, 0%, 37.6%)
CIE-LAB	lab(28.11, 32.61, -58.84)
CIE-LCH	lch(28.11, 67.27, 298.99°)
OKLab	oklab(39.34% 0.002 -0.1702)
OKLCH	oklch(39.34% 0.17 270.7)
XYZ	xyz(8.4041, 5.4996, 33.4128)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28359F #9F9228

analogous

#28719F #28359F #57289F

triadic

#28359F #9F2835 #359F28

tetradic

#28359F #9F2871 #9F9228 #289F57

square

#28359F #9F2871 #9F9228 #289F57

split-complementary

#28359F #9F5728 #719F28

monochromatic

#0F143D #1C256E #28359F #3748CD #6875D9

Accessibility & contrast

On white

10.00

#28359F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#28359F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28359F

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28359F	#FFFFFF	#000000	##FFFFFF
##28359F	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A2

Deuteranopia (green-blind)

#003D9D

Tritanopia (blue-blind)

#005165

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #28359f;
/* rgb */ color: rgb(40, 53, 159);
/* oklch */ color: oklch(39.3% 0.170 270.7);

Tailwind

colors: {
  custom: {
    50: '#756cbc',
    500: '#28359f',
    950: '#000000',
  },
}

SCSS

$custom: #28359f;
$custom-light: #756cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#28359f",
  "rgb": {
    "r": 40,
    "g": 53,
    "b": 159
  },
  "hsl": {
    "h": 233.445,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.3934,
    "c": 0.17017,
    "h": 270.7
  },
  "luminance": 0.05501
}

Semantic roles & 50–950 ramp

primary

#28359F

secondary

#BFB564

accent

#D245E3

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #28359F

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

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