#2A4783#2A4783

#2A4783 is a dark, moderate blue. Relative luminance 0.066; OKLCH L 40.8% C 0.107 H 263.1°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#2A4783
RGB	rgb(42, 71, 131)
HSL	hsl(220, 51%, 34%)
HSV	hsv(220, 68%, 51%)
CMYK	cmyk(67.9%, 45.8%, 0%, 48.6%)
CIE-LAB	lab(30.97, 10.13, -37.03)
CIE-LCH	lch(30.97, 38.39, 285.30°)
OKLab	oklab(40.82% -0.0128 -0.1058)
OKLCH	oklch(40.82% 0.107 263.1)
XYZ	xyz(7.3034, 6.6367, 22.3645)
Luminance	0.0664 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4783 #83662A

analogous

#2A7483 #2A4783 #3A2A83

triadic

#2A4783 #832A47 #47832A

tetradic

#2A4783 #832A74 #83662A #2A833A

square

#2A4783 #832A74 #83662A #2A833A

split-complementary

#2A4783 #833A2A #74832A

monochromatic

#0C1526 #1B2E55 #2A4783 #3960B1 #5D80CB

Accessibility & contrast

On white

9.02

#2A4783 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#2A4783 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4783

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4783	#FFFFFF	#000000	##FFFFFF
##2A4783	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A4D85

Deuteranopia (green-blind)

#1B4582

Tritanopia (blue-blind)

#00555E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2a4783;
/* rgb */ color: rgb(42, 71, 131);
/* oklch */ color: oklch(40.8% 0.107 263.1);

Tailwind

colors: {
  custom: {
    50: '#6e79a7',
    500: '#2a4783',
    950: '#000000',
  },
}

SCSS

$custom: #2a4783;
$custom-light: #6e79a7;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4783",
  "rgb": {
    "r": 42,
    "g": 71,
    "b": 131
  },
  "hsl": {
    "h": 220.449,
    "s": 51.445,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40824,
    "c": 0.10656,
    "h": 263.1
  },
  "luminance": 0.06637
}

Semantic roles & 50–950 ramp

primary

#2A4783

secondary

#B19458

accent

#AD4DDB

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #2A4783

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

Preview Lab → · Contrast checker → · Palette generator →