#2C23A8#2C23A8

#2C23A8 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.8% C 0.199 H 274.2°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#2C23A8
RGB	rgb(44, 35, 168)
HSL	hsl(244, 66%, 40%)
HSV	hsv(244, 79%, 66%)
CMYK	cmyk(73.8%, 79.2%, 0%, 34.1%)
CIE-LAB	lab(25.45, 46.70, -68.67)
CIE-LCH	lch(25.45, 83.04, 304.22°)
OKLab	oklab(37.78% 0.0146 -0.1986)
OKLCH	oklch(37.78% 0.199 274.2)
XYZ	xyz(8.7053, 4.5638, 37.4603)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C23A8 #9FA823

analogous

#235DA8 #2C23A8 #6E23A8

triadic

#2C23A8 #A82C23 #23A82C

tetradic

#2C23A8 #A8235D #9FA823 #23A86E

square

#2C23A8 #A8235D #9FA823 #23A86E

split-complementary

#2C23A8 #A86E23 #5DA823

monochromatic

#110E43 #1F1875 #2C23A8 #3E34D5 #6E66DF

Accessibility & contrast

On white

10.98

#2C23A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2C23A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C23A8

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C23A8	#FFFFFF	#000000	##FFFFFF
##2C23A8	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AC

Deuteranopia (green-blind)

#0036A6

Tritanopia (blue-blind)

#004C65

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2c23a8;
/* rgb */ color: rgb(44, 35, 168);
/* oklch */ color: oklch(37.8% 0.199 274.2);

Tailwind

colors: {
  custom: {
    50: '#7a61c3',
    500: '#2c23a8',
    950: '#000000',
  },
}

SCSS

$custom: #2c23a8;
$custom-light: #7a61c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2c23a8",
  "rgb": {
    "r": 44,
    "g": 35,
    "b": 168
  },
  "hsl": {
    "h": 244.06,
    "s": 65.517,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37778,
    "c": 0.19916,
    "h": 274.2
  },
  "luminance": 0.04565
}

Semantic roles & 50–950 ramp

primary

#2C23A8

secondary

#BEC562

accent

#E83FDD

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2C23A8

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

Preview Lab → · Contrast checker → · Palette generator →