#2C4583#2C4583

#2C4583 is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.5% C 0.108 H 265.3°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#2C4583
RGB	rgb(44, 69, 131)
HSL	hsl(223, 50%, 34%)
HSV	hsv(223, 66%, 51%)
CMYK	cmyk(66.4%, 47.3%, 0%, 48.6%)
CIE-LAB	lab(30.47, 11.86, -37.81)
CIE-LCH	lch(30.47, 39.63, 287.41°)
OKLab	oklab(40.47% -0.0088 -0.1081)
OKLCH	oklch(40.47% 0.108 265.3)
XYZ	xyz(7.2621, 6.4297, 22.3267)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C4583 #836A2C

analogous

#2C7183 #2C4583 #3F2C83

triadic

#2C4583 #832C45 #45832C

tetradic

#2C4583 #832C71 #836A2C #2C833F

square

#2C4583 #832C71 #836A2C #2C833F

split-complementary

#2C4583 #833F2C #71832C

monochromatic

#0D1527 #1D2D55 #2C4583 #3B5DB1 #607ECA

Accessibility & contrast

On white

9.19

#2C4583 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2C4583 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C4583

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C4583	#FFFFFF	#000000	##FFFFFF
##2C4583	1.00	9.19	2.29	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274C85

Deuteranopia (green-blind)

#174482

Tritanopia (blue-blind)

#00535D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2c4583;
/* rgb */ color: rgb(44, 69, 131);
/* oklch */ color: oklch(40.5% 0.108 265.3);

Tailwind

colors: {
  custom: {
    50: '#6f78a7',
    500: '#2c4583',
    950: '#000000',
  },
}

SCSS

$custom: #2c4583;
$custom-light: #6f78a7;
$custom-dark: #000000;

JSON

{
  "hex": "#2c4583",
  "rgb": {
    "r": 44,
    "g": 69,
    "b": 131
  },
  "hsl": {
    "h": 222.759,
    "s": 49.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.40473,
    "c": 0.10844,
    "h": 265.3
  },
  "luminance": 0.0643
}

Semantic roles & 50–950 ramp

primary

#2C4583

secondary

#B0975B

accent

#B14FD9

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2C4583

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

Preview Lab → · Contrast checker → · Palette generator →