#2D4583#2D4583

#2D4583 is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.5% C 0.108 H 265.9°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#2D4583
RGB	rgb(45, 69, 131)
HSL	hsl(223, 49%, 35%)
HSV	hsv(223, 66%, 51%)
CMYK	cmyk(65.6%, 47.3%, 0%, 48.6%)
CIE-LAB	lab(30.53, 12.05, -37.72)
CIE-LCH	lch(30.53, 39.60, 287.71°)
OKLab	oklab(40.53% -0.0078 -0.1078)
OKLCH	oklch(40.53% 0.108 265.9)
XYZ	xyz(7.3056, 6.4522, 22.3287)
Luminance	0.0645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D4583 #836B2D

analogous

#2D7083 #2D4583 #402D83

triadic

#2D4583 #832D45 #45832D

tetradic

#2D4583 #832D70 #836B2D #2D8340

square

#2D4583 #832D70 #836B2D #2D8340

split-complementary

#2D4583 #83402D #70832D

monochromatic

#0E1528 #1D2D55 #2D4583 #3D5DB1 #627EC9

Accessibility & contrast

On white

9.17

#2D4583 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2D4583 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D4583

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D4583	#FFFFFF	#000000	##FFFFFF
##2D4583	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274C85

Deuteranopia (green-blind)

#184482

Tritanopia (blue-blind)

#00535D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2d4583;
/* rgb */ color: rgb(45, 69, 131);
/* oklch */ color: oklch(40.5% 0.108 265.9);

Tailwind

colors: {
  custom: {
    50: '#6f78a7',
    500: '#2d4583',
    950: '#000000',
  },
}

SCSS

$custom: #2d4583;
$custom-light: #6f78a7;
$custom-dark: #000000;

JSON

{
  "hex": "#2d4583",
  "rgb": {
    "r": 45,
    "g": 69,
    "b": 131
  },
  "hsl": {
    "h": 223.256,
    "s": 48.864,
    "l": 34.51
  },
  "oklch": {
    "l": 0.40529,
    "c": 0.10808,
    "h": 265.9
  },
  "luminance": 0.06453
}

Semantic roles & 50–950 ramp

primary

#2D4583

secondary

#AF985C

accent

#B24FD8

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2D4583

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

Preview Lab → · Contrast checker → · Palette generator →