#2A3787#2A3787

#2A3787 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.7% C 0.134 H 271.4°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#2A3787
RGB	rgb(42, 55, 135)
HSL	hsl(232, 53%, 35%)
HSV	hsv(232, 69%, 53%)
CMYK	cmyk(68.9%, 59.3%, 0%, 47.1%)
CIE-LAB	lab(26.66, 22.60, -46.46)
CIE-LCH	lch(26.66, 51.66, 295.94°)
OKLab	oklab(37.65% 0.0034 -0.1338)
OKLCH	oklch(37.65% 0.134 271.4)
XYZ	xyz(6.6927, 4.9733, 23.5242)
Luminance	0.0497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3787 #877A2A

analogous

#2A6687 #2A3787 #4C2A87

triadic

#2A3787 #872A37 #37872A

tetradic

#2A3787 #872A66 #877A2A #2A874C

square

#2A3787 #872A66 #877A2A #2A874C

split-complementary

#2A3787 #874C2A #66872A

monochromatic

#0D112A #1B2458 #2A3787 #394AB6 #5E6ECD

Accessibility & contrast

On white

10.53

#2A3787 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2A3787 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3787

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3787	#FFFFFF	#000000	##FFFFFF
##2A3787	1.00	10.53	1.99	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438A

Deuteranopia (green-blind)

#003B85

Tritanopia (blue-blind)

#004B59

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2a3787;
/* rgb */ color: rgb(42, 55, 135);
/* oklch */ color: oklch(37.7% 0.134 271.4);

Tailwind

colors: {
  custom: {
    50: '#706dab',
    500: '#2a3787',
    950: '#000000',
  },
}

SCSS

$custom: #2a3787;
$custom-light: #706dab;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3787",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 135
  },
  "hsl": {
    "h": 231.613,
    "s": 52.542,
    "l": 34.706
  },
  "oklch": {
    "l": 0.37651,
    "c": 0.13381,
    "h": 271.4
  },
  "luminance": 0.04974
}

Semantic roles & 50–950 ramp

primary

#2A3787

secondary

#B3A65A

accent

#C84CDC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2A3787

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

Preview Lab → · Contrast checker → · Palette generator →