#2A4781#2A4781

#2A4781 is a dark, moderate blue. Relative luminance 0.066; OKLCH L 40.7% C 0.104 H 262.7°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#2A4781
RGB	rgb(42, 71, 129)
HSL	hsl(220, 51%, 34%)
HSV	hsv(220, 67%, 51%)
CMYK	cmyk(67.4%, 45%, 0%, 49.4%)
CIE-LAB	lab(30.84, 9.37, -35.99)
CIE-LCH	lch(30.84, 37.19, 284.59°)
OKLab	oklab(40.69% -0.0132 -0.1027)
OKLCH	oklch(40.69% 0.104 262.7)
XYZ	xyz(7.1691, 6.5830, 21.6575)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4781 #81642A

analogous

#2A7281 #2A4781 #382A81

triadic

#2A4781 #812A47 #47812A

tetradic

#2A4781 #812A72 #81642A #2A8138

square

#2A4781 #812A72 #81642A #2A8138

split-complementary

#2A4781 #81382A #72812A

monochromatic

#0C1425 #1B2E53 #2A4781 #3960AF #5C80CA

Accessibility & contrast

On white

9.06

#2A4781 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#2A4781 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4781

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4781	#FFFFFF	#000000	##FFFFFF
##2A4781	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4D83

Deuteranopia (green-blind)

#1E4580

Tritanopia (blue-blind)

#00545D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2a4781;
/* rgb */ color: rgb(42, 71, 129);
/* oklch */ color: oklch(40.7% 0.104 262.7);

Tailwind

colors: {
  custom: {
    50: '#6d79a6',
    500: '#2a4781',
    950: '#000000',
  },
}

SCSS

$custom: #2a4781;
$custom-light: #6d79a6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4781",
  "rgb": {
    "r": 42,
    "g": 71,
    "b": 129
  },
  "hsl": {
    "h": 220,
    "s": 50.877,
    "l": 33.529
  },
  "oklch": {
    "l": 0.40685,
    "c": 0.10359,
    "h": 262.7
  },
  "luminance": 0.06584
}

Semantic roles & 50–950 ramp

primary

#2A4781

secondary

#AF9257

accent

#AB4DDA

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #2A4781

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

Preview Lab → · Contrast checker → · Palette generator →