#2A3987#2A3987

#2A3987 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.1% C 0.131 H 270.7°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#2A3987
RGB	rgb(42, 57, 135)
HSL	hsl(230, 53%, 35%)
HSV	hsv(230, 69%, 53%)
CMYK	cmyk(68.9%, 57.8%, 0%, 47.1%)
CIE-LAB	lab(27.21, 21.23, -45.57)
CIE-LCH	lch(27.21, 50.28, 294.98°)
OKLab	oklab(38.06% 0.0015 -0.1311)
OKLCH	oklch(38.06% 0.131 270.7)
XYZ	xyz(6.7897, 5.1671, 23.5565)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3987 #87782A

analogous

#2A6787 #2A3987 #4A2A87

triadic

#2A3987 #872A39 #39872A

tetradic

#2A3987 #872A67 #87782A #2A874A

square

#2A3987 #872A67 #87782A #2A874A

split-complementary

#2A3987 #874A2A #67872A

monochromatic

#0D122A #1B2558 #2A3987 #394DB6 #5E70CD

Accessibility & contrast

On white

10.33

#2A3987 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#2A3987 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3987

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3987	#FFFFFF	#000000	##FFFFFF
##2A3987	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458A

Deuteranopia (green-blind)

#003C85

Tritanopia (blue-blind)

#004C5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2a3987;
/* rgb */ color: rgb(42, 57, 135);
/* oklch */ color: oklch(38.1% 0.131 270.7);

Tailwind

colors: {
  custom: {
    50: '#6f6fab',
    500: '#2a3987',
    950: '#000000',
  },
}

SCSS

$custom: #2a3987;
$custom-light: #6f6fab;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3987",
  "rgb": {
    "r": 42,
    "g": 57,
    "b": 135
  },
  "hsl": {
    "h": 230.323,
    "s": 52.542,
    "l": 34.706
  },
  "oklch": {
    "l": 0.3806,
    "c": 0.13114,
    "h": 270.7
  },
  "luminance": 0.05168
}

Semantic roles & 50–950 ramp

primary

#2A3987

secondary

#B3A45A

accent

#C54CDC

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2A3987

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

Preview Lab → · Contrast checker → · Palette generator →