#2A3B87#2A3B87

#2A3B87 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.5% C 0.128 H 269.9°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#2A3B87
RGB	rgb(42, 59, 135)
HSL	hsl(229, 53%, 35%)
HSV	hsv(229, 69%, 53%)
CMYK	cmyk(68.9%, 56.3%, 0%, 47.1%)
CIE-LAB	lab(27.76, 19.86, -44.67)
CIE-LCH	lch(27.76, 48.89, 293.97°)
OKLab	oklab(38.48% -0.0003 -0.1284)
OKLCH	oklch(38.48% 0.128 269.9)
XYZ	xyz(6.8905, 5.3688, 23.5901)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3B87 #87762A

analogous

#2A6A87 #2A3B87 #472A87

triadic

#2A3B87 #872A3B #3B872A

tetradic

#2A3B87 #872A6A #87762A #2A8747

square

#2A3B87 #872A6A #87762A #2A8747

split-complementary

#2A3B87 #87472A #6A872A

monochromatic

#0D122A #1B2758 #2A3B87 #394FB6 #5E73CD

Accessibility & contrast

On white

10.13

#2A3B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2A3B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3B87

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3B87	#FFFFFF	#000000	##FFFFFF
##2A3B87	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468A

Deuteranopia (green-blind)

#003D85

Tritanopia (blue-blind)

#004D5B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2a3b87;
/* rgb */ color: rgb(42, 59, 135);
/* oklch */ color: oklch(38.5% 0.128 269.9);

Tailwind

colors: {
  custom: {
    50: '#6f70ab',
    500: '#2a3b87',
    950: '#000000',
  },
}

SCSS

$custom: #2a3b87;
$custom-light: #6f70ab;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3b87",
  "rgb": {
    "r": 42,
    "g": 59,
    "b": 135
  },
  "hsl": {
    "h": 229.032,
    "s": 52.542,
    "l": 34.706
  },
  "oklch": {
    "l": 0.38476,
    "c": 0.12845,
    "h": 269.9
  },
  "luminance": 0.05369
}

Semantic roles & 50–950 ramp

primary

#2A3B87

secondary

#B3A35A

accent

#C24CDC

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2A3B87

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

Preview Lab → · Contrast checker → · Palette generator →