#2D4581#2D4581

#2D4581 is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.4% C 0.105 H 265.5°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#2D4581
RGB	rgb(45, 69, 129)
HSL	hsl(223, 48%, 34%)
HSV	hsv(223, 65%, 51%)
CMYK	cmyk(65.1%, 46.5%, 0%, 49.4%)
CIE-LAB	lab(30.40, 11.30, -36.69)
CIE-LCH	lch(30.40, 38.39, 287.11°)
OKLab	oklab(40.39% -0.0082 -0.1048)
OKLCH	oklch(40.39% 0.105 265.5)
XYZ	xyz(7.1714, 6.3985, 21.6217)
Luminance	0.0640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D4581 #81692D

analogous

#2D6F81 #2D4581 #3F2D81

triadic

#2D4581 #812D45 #45812D

tetradic

#2D4581 #812D6F #81692D #2D813F

square

#2D4581 #812D6F #81692D #2D813F

split-complementary

#2D4581 #813F2D #6F812D

monochromatic

#0D1426 #1D2D54 #2D4581 #3D5DAE #617EC8

Accessibility & contrast

On white

9.21

#2D4581 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2D4581 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D4581

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D4581	#FFFFFF	#000000	##FFFFFF
##2D4581	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#284C83

Deuteranopia (green-blind)

#1B4480

Tritanopia (blue-blind)

#00535C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2d4581;
/* rgb */ color: rgb(45, 69, 129);
/* oklch */ color: oklch(40.4% 0.105 265.5);

Tailwind

colors: {
  custom: {
    50: '#6f78a6',
    500: '#2d4581',
    950: '#000000',
  },
}

SCSS

$custom: #2d4581;
$custom-light: #6f78a6;
$custom-dark: #000000;

JSON

{
  "hex": "#2d4581",
  "rgb": {
    "r": 45,
    "g": 69,
    "b": 129
  },
  "hsl": {
    "h": 222.857,
    "s": 48.276,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40388,
    "c": 0.10508,
    "h": 265.5
  },
  "luminance": 0.06399
}

Semantic roles & 50–950 ramp

primary

#2D4581

secondary

#AE975C

accent

#B150D8

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2D4581

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

Preview Lab → · Contrast checker → · Palette generator →