#2A4580#2A4580

#2A4580 is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.2% C 0.105 H 263.8°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#2A4580
RGB	rgb(42, 69, 128)
HSL	hsl(221, 51%, 33%)
HSV	hsv(221, 67%, 50%)
CMYK	cmyk(67.2%, 46.1%, 0%, 49.8%)
CIE-LAB	lab(30.17, 10.34, -36.43)
CIE-LCH	lch(30.17, 37.87, 285.85°)
OKLab	oklab(40.15% -0.0113 -0.1041)
OKLCH	oklch(40.15% 0.105 263.8)
XYZ	xyz(6.9779, 6.3063, 21.2674)
Luminance	0.0631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4580 #80652A

analogous

#2A7080 #2A4580 #3A2A80

triadic

#2A4580 #802A45 #45802A

tetradic

#2A4580 #802A70 #80652A #2A803A

square

#2A4580 #802A70 #80652A #2A803A

split-complementary

#2A4580 #803A2A #70802A

monochromatic

#0C1324 #1B2C52 #2A4580 #395EAE #5B7EC9

Accessibility & contrast

On white

9.29

#2A4580 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2A4580 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4580

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4580	#FFFFFF	#000000	##FFFFFF
##2A4580	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#294B82

Deuteranopia (green-blind)

#1A437F

Tritanopia (blue-blind)

#00535C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2a4580;
/* rgb */ color: rgb(42, 69, 128);
/* oklch */ color: oklch(40.2% 0.105 263.8);

Tailwind

colors: {
  custom: {
    50: '#6d78a5',
    500: '#2a4580',
    950: '#000000',
  },
}

SCSS

$custom: #2a4580;
$custom-light: #6d78a5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4580",
  "rgb": {
    "r": 42,
    "g": 69,
    "b": 128
  },
  "hsl": {
    "h": 221.163,
    "s": 50.588,
    "l": 33.333
  },
  "oklch": {
    "l": 0.40153,
    "c": 0.10468,
    "h": 263.8
  },
  "luminance": 0.06307
}

Semantic roles & 50–950 ramp

primary

#2A4580

secondary

#AF9357

accent

#AE4EDA

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2A4580

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

Preview Lab → · Contrast checker → · Palette generator →