#2A3E87#2A3E87

#2A3E87 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.1% C 0.124 H 268.5°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#2A3E87
RGB	rgb(42, 62, 135)
HSL	hsl(227, 53%, 35%)
HSV	hsv(227, 69%, 53%)
CMYK	cmyk(68.9%, 54.1%, 0%, 47.1%)
CIE-LAB	lab(28.61, 17.80, -43.30)
CIE-LCH	lch(28.61, 46.82, 292.35°)
OKLab	oklab(39.11% -0.0032 -0.1244)
OKLCH	oklch(39.11% 0.124 268.5)
XYZ	xyz(7.0491, 5.6861, 23.6430)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3E87 #87732A

analogous

#2A6C87 #2A3E87 #452A87

triadic

#2A3E87 #872A3E #3E872A

tetradic

#2A3E87 #872A6C #87732A #2A8745

square

#2A3E87 #872A6C #87732A #2A8745

split-complementary

#2A3E87 #87452A #6C872A

monochromatic

#0D132A #1B2958 #2A3E87 #3953B6 #5E76CD

Accessibility & contrast

On white

9.83

#2A3E87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2A3E87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3E87

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3E87	#FFFFFF	#000000	##FFFFFF
##2A3E87	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F488A

Deuteranopia (green-blind)

#003F86

Tritanopia (blue-blind)

#004F5C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2a3e87;
/* rgb */ color: rgb(42, 62, 135);
/* oklch */ color: oklch(39.1% 0.124 268.5);

Tailwind

colors: {
  custom: {
    50: '#6f72aa',
    500: '#2a3e87',
    950: '#000000',
  },
}

SCSS

$custom: #2a3e87;
$custom-light: #6f72aa;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3e87",
  "rgb": {
    "r": 42,
    "g": 62,
    "b": 135
  },
  "hsl": {
    "h": 227.097,
    "s": 52.542,
    "l": 34.706
  },
  "oklch": {
    "l": 0.39113,
    "c": 0.12442,
    "h": 268.5
  },
  "luminance": 0.05687
}

Semantic roles & 50–950 ramp

primary

#2A3E87

secondary

#B3A05A

accent

#BD4CDC

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2A3E87

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

Preview Lab → · Contrast checker → · Palette generator →