#2C288F#2C288F

#2C288F is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.8% C 0.163 H 276.0°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#2C288F
RGB	rgb(44, 40, 143)
HSL	hsl(242, 56%, 36%)
HSV	hsv(242, 72%, 56%)
CMYK	cmyk(69.2%, 72%, 0%, 43.9%)
CIE-LAB	lab(23.79, 35.59, -56.12)
CIE-LCH	lch(23.79, 66.45, 302.39°)
OKLab	oklab(35.81% 0.0171 -0.1621)
OKLCH	oklch(35.81% 0.163 276)
XYZ	xyz(6.7538, 4.0356, 26.4043)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C288F #8B8F28

analogous

#28578F #2C288F #5F288F

triadic

#2C288F #8F2C28 #288F2C

tetradic

#2C288F #8F2857 #8B8F28 #288F5F

square

#2C288F #8F2857 #8B8F28 #288F5F

split-complementary

#2C288F #8F5F28 #578F28

monochromatic

#0F0D2F #1D1B5F #2C288F #3B35BF #645FD2

Accessibility & contrast

On white

11.62

#2C288F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#2C288F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C288F

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C288F	#FFFFFF	#000000	##FFFFFF
##2C288F	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D92

Deuteranopia (green-blind)

#00348D

Tritanopia (blue-blind)

#004458

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2c288f;
/* rgb */ color: rgb(44, 40, 143);
/* oklch */ color: oklch(35.8% 0.163 276.0);

Tailwind

colors: {
  custom: {
    50: '#7463b1',
    500: '#2c288f',
    950: '#000000',
  },
}

SCSS

$custom: #2c288f;
$custom-light: #7463b1;
$custom-dark: #000000;

JSON

{
  "hex": "#2c288f",
  "rgb": {
    "r": 44,
    "g": 40,
    "b": 143
  },
  "hsl": {
    "h": 242.33,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.35808,
    "c": 0.16301,
    "h": 276
  },
  "luminance": 0.04036
}

Semantic roles & 50–950 ramp

primary

#2C288F

secondary

#B4B85B

accent

#E048DA

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #2C288F

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

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