#2A3582#2A3582

#2A3582 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.8% C 0.129 H 272.3°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#2A3582
RGB	rgb(42, 53, 130)
HSL	hsl(233, 51%, 34%)
HSV	hsv(233, 68%, 51%)
CMYK	cmyk(67.7%, 59.2%, 0%, 49%)
CIE-LAB	lab(25.71, 22.08, -44.87)
CIE-LCH	lch(25.71, 50.01, 296.20°)
OKLab	oklab(36.82% 0.0051 -0.1291)
OKLCH	oklch(36.82% 0.129 272.3)
XYZ	xyz(6.2559, 4.6496, 21.6825)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3582 #82772A

analogous

#2A6182 #2A3582 #4B2A82

triadic

#2A3582 #822A35 #35822A

tetradic

#2A3582 #822A61 #82772A #2A824B

square

#2A3582 #822A61 #82772A #2A824B

split-complementary

#2A3582 #824B2A #61822A

monochromatic

#0C0F25 #1B2254 #2A3582 #3948B0 #5C6ACA

Accessibility & contrast

On white

10.88

#2A3582 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2A3582 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3582

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3582	#FFFFFF	#000000	##FFFFFF
##2A3582	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004185

Deuteranopia (green-blind)

#003980

Tritanopia (blue-blind)

#004856

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2a3582;
/* rgb */ color: rgb(42, 53, 130);
/* oklch */ color: oklch(36.8% 0.129 272.3);

Tailwind

colors: {
  custom: {
    50: '#6f6ca7',
    500: '#2a3582',
    950: '#000000',
  },
}

SCSS

$custom: #2a3582;
$custom-light: #6f6ca7;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3582",
  "rgb": {
    "r": 42,
    "g": 53,
    "b": 130
  },
  "hsl": {
    "h": 232.5,
    "s": 51.163,
    "l": 33.725
  },
  "oklch": {
    "l": 0.36819,
    "c": 0.12923,
    "h": 272.3
  },
  "luminance": 0.0465
}

Semantic roles & 50–950 ramp

primary

#2A3582

secondary

#B0A558

accent

#C94DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2A3582

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

Preview Lab → · Contrast checker → · Palette generator →