#2C31AC#2C31AC

#2C31AC is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.2% C 0.190 H 272.2°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#2C31AC
RGB	rgb(44, 49, 172)
HSL	hsl(238, 59%, 42%)
HSV	hsv(238, 74%, 67%)
CMYK	cmyk(74.4%, 71.5%, 0%, 32.5%)
CIE-LAB	lab(28.67, 40.16, -65.77)
CIE-LCH	lch(28.67, 77.06, 301.41°)
OKLab	oklab(40.18% 0.0073 -0.1903)
OKLCH	oklch(40.18% 0.19 272.2)
XYZ	xyz(9.5809, 5.7097, 39.6189)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.60

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C31AC #ACA72C

analogous

#2C71AC #2C31AC #672CAC

triadic

#2C31AC #AC2C31 #31AC2C

tetradic

#2C31AC #AC2C71 #ACA72C #2CAC67

square

#2C31AC #AC2C71 #ACA72C #2CAC67

split-complementary

#2C31AC #AC672C #71AC2C

monochromatic

#13154B #20237B #2C31AC #464BD0 #767ADC

Accessibility & contrast

On white

9.80

#2C31AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2C31AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C31AC

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C31AC	#FFFFFF	#000000	##FFFFFF
##2C31AC	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB0

Deuteranopia (green-blind)

#003DAA

Tritanopia (blue-blind)

#00536B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2c31ac;
/* rgb */ color: rgb(44, 49, 172);
/* oklch */ color: oklch(40.2% 0.190 272.2);

Tailwind

colors: {
  custom: {
    50: '#7a6ac6',
    500: '#2c31ac',
    950: '#000000',
  },
}

SCSS

$custom: #2c31ac;
$custom-light: #7a6ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#2c31ac",
  "rgb": {
    "r": 44,
    "g": 49,
    "b": 172
  },
  "hsl": {
    "h": 237.656,
    "s": 59.259,
    "l": 42.353
  },
  "oklch": {
    "l": 0.40182,
    "c": 0.19044,
    "h": 272.2
  },
  "luminance": 0.05711
}

Semantic roles & 50–950 ramp

primary

#2C31AC

secondary

#C4C170

accent

#DC45E2

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2C31AC

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

Preview Lab → · Contrast checker → · Palette generator →