#2A3487#2A3487

#2A3487 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.1% C 0.138 H 272.5°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#2A3487
RGB	rgb(42, 52, 135)
HSL	hsl(234, 53%, 35%)
HSV	hsv(234, 69%, 53%)
CMYK	cmyk(68.9%, 61.5%, 0%, 47.1%)
CIE-LAB	lab(25.85, 24.64, -47.77)
CIE-LCH	lch(25.85, 53.75, 297.28°)
OKLab	oklab(37.05% 0.006 -0.1376)
OKLCH	oklch(37.05% 0.138 272.5)
XYZ	xyz(6.5545, 4.6969, 23.4781)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3487 #877D2A

analogous

#2A6387 #2A3487 #4E2A87

triadic

#2A3487 #872A34 #34872A

tetradic

#2A3487 #872A63 #877D2A #2A874E

square

#2A3487 #872A63 #877D2A #2A874E

split-complementary

#2A3487 #874E2A #63872A

monochromatic

#0D102A #1B2258 #2A3487 #3946B6 #5E6ACD

Accessibility & contrast

On white

10.83

#2A3487 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2A3487 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3487

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3487	#FFFFFF	#000000	##FFFFFF
##2A3487	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428A

Deuteranopia (green-blind)

#003985

Tritanopia (blue-blind)

#004958

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2a3487;
/* rgb */ color: rgb(42, 52, 135);
/* oklch */ color: oklch(37.1% 0.138 272.5);

Tailwind

colors: {
  custom: {
    50: '#706bab',
    500: '#2a3487',
    950: '#000000',
  },
}

SCSS

$custom: #2a3487;
$custom-light: #706bab;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3487",
  "rgb": {
    "r": 42,
    "g": 52,
    "b": 135
  },
  "hsl": {
    "h": 233.548,
    "s": 52.542,
    "l": 34.706
  },
  "oklch": {
    "l": 0.37052,
    "c": 0.13778,
    "h": 272.5
  },
  "luminance": 0.04697
}

Semantic roles & 50–950 ramp

primary

#2A3487

secondary

#B3A95A

accent

#CC4CDC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2A3487

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

Preview Lab → · Contrast checker → · Palette generator →