#2C1B8E#2C1B8E

#2C1B8E is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.9% C 0.175 H 278.2°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#2C1B8E
RGB	rgb(44, 27, 142)
HSL	hsl(249, 68%, 33%)
HSV	hsv(249, 81%, 56%)
CMYK	cmyk(69%, 81%, 0%, 44.3%)
CIE-LAB	lab(21.10, 42.55, -59.93)
CIE-LCH	lch(21.10, 73.50, 305.38°)
OKLab	oklab(33.88% 0.025 -0.1731)
OKLCH	oklch(33.88% 0.175 278.2)
XYZ	xyz(6.3115, 3.2718, 25.8848)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C1B8E #7D8E1B

analogous

#1B438E #2C1B8E #651B8E

triadic

#2C1B8E #8E2C1B #1B8E2C

tetradic

#2C1B8E #8E1B43 #7D8E1B #1B8E65

square

#2C1B8E #8E1B43 #7D8E1B #1B8E65

split-complementary

#2C1B8E #8E651B #438E1B

monochromatic

#0C0727 #1C115B #2C1B8E #3C25C1 #5D47DC

Accessibility & contrast

On white

12.69

#2C1B8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#2C1B8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C1B8E

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C1B8E	#FFFFFF	#000000	##FFFFFF
##2C1B8E	1.00	12.69	1.65	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003791

Deuteranopia (green-blind)

#002E8C

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #2c1b8e;
/* rgb */ color: rgb(44, 27, 142);
/* oklch */ color: oklch(33.9% 0.175 278.2);

Tailwind

colors: {
  custom: {
    50: '#755bb0',
    500: '#2c1b8e',
    950: '#000000',
  },
}

SCSS

$custom: #2c1b8e;
$custom-light: #755bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#2c1b8e",
  "rgb": {
    "r": 44,
    "g": 27,
    "b": 142
  },
  "hsl": {
    "h": 248.87,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.33877,
    "c": 0.17492,
    "h": 278.2
  },
  "luminance": 0.03272
}

Semantic roles & 50–950 ramp

primary

#2C1B8E

secondary

#ACBE47

accent

#EB3DD1

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2C1B8E

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

Preview Lab → · Contrast checker → · Palette generator →