#2A3A87#2A3A87

#2A3A87 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.3% C 0.130 H 270.3°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#2A3A87
RGB	rgb(42, 58, 135)
HSL	hsl(230, 53%, 35%)
HSV	hsv(230, 69%, 53%)
CMYK	cmyk(68.9%, 57%, 0%, 47.1%)
CIE-LAB	lab(27.48, 20.55, -45.12)
CIE-LCH	lch(27.48, 49.58, 294.48°)
OKLab	oklab(38.27% 0.0006 -0.1298)
OKLCH	oklch(38.27% 0.13 270.3)
XYZ	xyz(6.8396, 5.2670, 23.5732)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3A87 #87772A

analogous

#2A6987 #2A3A87 #482A87

triadic

#2A3A87 #872A3A #3A872A

tetradic

#2A3A87 #872A69 #87772A #2A8748

square

#2A3A87 #872A69 #87772A #2A8748

split-complementary

#2A3A87 #87482A #69872A

monochromatic

#0D122A #1B2658 #2A3A87 #394EB6 #5E71CD

Accessibility & contrast

On white

10.23

#2A3A87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2A3A87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3A87

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3A87	#FFFFFF	#000000	##FFFFFF
##2A3A87	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458A

Deuteranopia (green-blind)

#003D85

Tritanopia (blue-blind)

#004D5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2a3a87;
/* rgb */ color: rgb(42, 58, 135);
/* oklch */ color: oklch(38.3% 0.130 270.3);

Tailwind

colors: {
  custom: {
    50: '#6f6fab',
    500: '#2a3a87',
    950: '#000000',
  },
}

SCSS

$custom: #2a3a87;
$custom-light: #6f6fab;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3a87",
  "rgb": {
    "r": 42,
    "g": 58,
    "b": 135
  },
  "hsl": {
    "h": 229.677,
    "s": 52.542,
    "l": 34.706
  },
  "oklch": {
    "l": 0.38267,
    "c": 0.12979,
    "h": 270.3
  },
  "luminance": 0.05268
}

Semantic roles & 50–950 ramp

primary

#2A3A87

secondary

#B3A35A

accent

#C34CDC

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2A3A87

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

Preview Lab → · Contrast checker → · Palette generator →