#2A3785#2A3785

#2A3785 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.131 H 271.4°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#2A3785
RGB	rgb(42, 55, 133)
HSL	hsl(231, 52%, 34%)
HSV	hsv(231, 68%, 52%)
CMYK	cmyk(68.4%, 58.6%, 0%, 47.8%)
CIE-LAB	lab(26.50, 21.84, -45.47)
CIE-LCH	lch(26.50, 50.45, 295.66°)
OKLab	oklab(37.48% 0.0033 -0.1309)
OKLCH	oklch(37.48% 0.131 271.4)
XYZ	xyz(6.5532, 4.9175, 22.7896)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3785 #85782A

analogous

#2A6585 #2A3785 #4B2A85

triadic

#2A3785 #852A37 #37852A

tetradic

#2A3785 #852A65 #85782A #2A854B

square

#2A3785 #852A65 #85782A #2A854B

split-complementary

#2A3785 #854B2A #65852A

monochromatic

#0D1128 #1B2456 #2A3785 #394AB4 #5D6DCC

Accessibility & contrast

On white

10.59

#2A3785 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2A3785 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3785

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3785	#FFFFFF	#000000	##FFFFFF
##2A3785	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004388

Deuteranopia (green-blind)

#003B83

Tritanopia (blue-blind)

#004A58

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2a3785;
/* rgb */ color: rgb(42, 55, 133);
/* oklch */ color: oklch(37.5% 0.131 271.4);

Tailwind

colors: {
  custom: {
    50: '#6f6da9',
    500: '#2a3785',
    950: '#000000',
  },
}

SCSS

$custom: #2a3785;
$custom-light: #6f6da9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3785",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 133
  },
  "hsl": {
    "h": 231.429,
    "s": 52,
    "l": 34.314
  },
  "oklch": {
    "l": 0.37481,
    "c": 0.13091,
    "h": 271.4
  },
  "luminance": 0.04918
}

Semantic roles & 50–950 ramp

primary

#2A3785

secondary

#B2A559

accent

#C74CDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2A3785

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

Preview Lab → · Contrast checker → · Palette generator →