#2723A8#2723A8

#2723A8 is a dark, highly saturated blue. Relative luminance 0.045; OKLCH L 37.5% C 0.200 H 272.4°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#2723A8
RGB	rgb(39, 35, 168)
HSL	hsl(242, 66%, 40%)
HSV	hsv(242, 79%, 66%)
CMYK	cmyk(76.8%, 79.2%, 0%, 34.1%)
CIE-LAB	lab(25.14, 46.31, -69.21)
CIE-LCH	lch(25.14, 83.27, 303.79°)
OKLab	oklab(37.47% 0.0083 -0.2003)
OKLCH	oklch(37.47% 0.2 272.4)
XYZ	xyz(8.5032, 4.4596, 37.4508)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2723A8 #A4A823

analogous

#2361A8 #2723A8 #6A23A8

triadic

#2723A8 #A82723 #23A827

tetradic

#2723A8 #A82361 #A4A823 #23A86A

square

#2723A8 #A82361 #A4A823 #23A86A

split-complementary

#2723A8 #A86A23 #61A823

monochromatic

#0F0E43 #1B1875 #2723A8 #3834D5 #6A66DF

Accessibility & contrast

On white

11.10

#2723A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2723A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2723A8

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2723A8	#FFFFFF	#000000	##FFFFFF
##2723A8	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AC

Deuteranopia (green-blind)

#0035A6

Tritanopia (blue-blind)

#004C65

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2723a8;
/* rgb */ color: rgb(39, 35, 168);
/* oklch */ color: oklch(37.5% 0.200 272.4);

Tailwind

colors: {
  custom: {
    50: '#7861c3',
    500: '#2723a8',
    950: '#000000',
  },
}

SCSS

$custom: #2723a8;
$custom-light: #7861c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2723a8",
  "rgb": {
    "r": 39,
    "g": 35,
    "b": 168
  },
  "hsl": {
    "h": 241.805,
    "s": 65.517,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37472,
    "c": 0.20046,
    "h": 272.4
  },
  "luminance": 0.04461
}

Semantic roles & 50–950 ramp

primary

#2723A8

secondary

#C2C562

accent

#E83FE3

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2723A8

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

Preview Lab → · Contrast checker → · Palette generator →