#2C288E#2C288E

#2C288E is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.7% C 0.162 H 276.1°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#2C288E
RGB	rgb(44, 40, 142)
HSL	hsl(242, 56%, 36%)
HSV	hsv(242, 72%, 56%)
CMYK	cmyk(69%, 71.8%, 0%, 44.3%)
CIE-LAB	lab(23.69, 35.25, -55.66)
CIE-LCH	lch(23.69, 65.88, 302.34°)
OKLab	oklab(35.71% 0.0173 -0.1608)
OKLCH	oklch(35.71% 0.162 276.1)
XYZ	xyz(6.6784, 4.0055, 26.0071)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C288E #8A8E28

analogous

#28578E #2C288E #5F288E

triadic

#2C288E #8E2C28 #288E2C

tetradic

#2C288E #8E2857 #8A8E28 #288E5F

square

#2C288E #8E2857 #8A8E28 #288E5F

split-complementary

#2C288E #8E5F28 #578E28

monochromatic

#0E0D2F #1D1B5E #2C288E #3B35BE #635FD2

Accessibility & contrast

On white

11.66

#2C288E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#2C288E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C288E

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C288E	#FFFFFF	#000000	##FFFFFF
##2C288E	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D91

Deuteranopia (green-blind)

#00348C

Tritanopia (blue-blind)

#004458

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2c288e;
/* rgb */ color: rgb(44, 40, 142);
/* oklch */ color: oklch(35.7% 0.162 276.1);

Tailwind

colors: {
  custom: {
    50: '#7363b0',
    500: '#2c288e',
    950: '#000000',
  },
}

SCSS

$custom: #2c288e;
$custom-light: #7363b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2c288e",
  "rgb": {
    "r": 44,
    "g": 40,
    "b": 142
  },
  "hsl": {
    "h": 242.353,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.35707,
    "c": 0.1617,
    "h": 276.1
  },
  "luminance": 0.04006
}

Semantic roles & 50–950 ramp

primary

#2C288E

secondary

#B4B75B

accent

#DF48D9

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #2C288E

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

Preview Lab → · Contrast checker → · Palette generator →