#2D478B#2D478B

#2D478B is a dark, moderate blue. Relative luminance 0.069; OKLCH L 41.6% C 0.117 H 265.8°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#2D478B
RGB	rgb(45, 71, 139)
HSL	hsl(223, 51%, 36%)
HSV	hsv(223, 68%, 55%)
CMYK	cmyk(67.6%, 48.9%, 0%, 45.5%)
CIE-LAB	lab(31.64, 13.72, -40.88)
CIE-LCH	lch(31.64, 43.11, 288.55°)
OKLab	oklab(41.55% -0.0086 -0.117)
OKLCH	oklch(41.55% 0.117 265.8)
XYZ	xyz(7.9940, 6.9277, 25.3370)
Luminance	0.0693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D478B #8B712D

analogous

#2D768B #2D478B #422D8B

triadic

#2D478B #8B2D47 #478B2D

tetradic

#2D478B #8B2D76 #8B712D #2D8B42

square

#2D478B #8B2D76 #8B712D #2D8B42

split-complementary

#2D478B #8B422D #768B2D

monochromatic

#0F182F #1E2F5D #2D478B #3C5FB9 #6582CD

Accessibility & contrast

On white

8.80

#2D478B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2D478B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D478B

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D478B	#FFFFFF	#000000	##FFFFFF
##2D478B	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244F8E

Deuteranopia (green-blind)

#10468A

Tritanopia (blue-blind)

#005762

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2d478b;
/* rgb */ color: rgb(45, 71, 139);
/* oklch */ color: oklch(41.6% 0.117 265.8);

Tailwind

colors: {
  custom: {
    50: '#7179ad',
    500: '#2d478b',
    950: '#000000',
  },
}

SCSS

$custom: #2d478b;
$custom-light: #7179ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2d478b",
  "rgb": {
    "r": 45,
    "g": 71,
    "b": 139
  },
  "hsl": {
    "h": 223.404,
    "s": 51.087,
    "l": 36.078
  },
  "oklch": {
    "l": 0.41553,
    "c": 0.11735,
    "h": 265.8
  },
  "luminance": 0.06928
}

Semantic roles & 50–950 ramp

primary

#2D478B

secondary

#B49D60

accent

#B34DDB

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2D478B

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

Preview Lab → · Contrast checker → · Palette generator →