#2A3881#2A3881

#2A3881 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.4% C 0.124 H 271.0°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#2A3881
RGB	rgb(42, 56, 129)
HSL	hsl(230, 51%, 34%)
HSV	hsv(230, 67%, 51%)
CMYK	cmyk(67.4%, 56.6%, 0%, 49.4%)
CIE-LAB	lab(26.46, 19.64, -43.03)
CIE-LCH	lch(26.46, 47.30, 294.54°)
OKLab	oklab(37.35% 0.0022 -0.1237)
OKLCH	oklch(37.35% 0.124 271)
XYZ	xyz(6.3301, 4.9050, 21.3778)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3881 #81732A

analogous

#2A6381 #2A3881 #472A81

triadic

#2A3881 #812A38 #38812A

tetradic

#2A3881 #812A63 #81732A #2A8147

square

#2A3881 #812A63 #81732A #2A8147

split-complementary

#2A3881 #81472A #63812A

monochromatic

#0C1025 #1B2453 #2A3881 #394CAF #5C6DCA

Accessibility & contrast

On white

10.60

#2A3881 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2A3881 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3881

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3881	#FFFFFF	#000000	##FFFFFF
##2A3881	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#014384

Deuteranopia (green-blind)

#003B80

Tritanopia (blue-blind)

#004956

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2a3881;
/* rgb */ color: rgb(42, 56, 129);
/* oklch */ color: oklch(37.4% 0.124 271.0);

Tailwind

colors: {
  custom: {
    50: '#6e6ea6',
    500: '#2a3881',
    950: '#000000',
  },
}

SCSS

$custom: #2a3881;
$custom-light: #6e6ea6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3881",
  "rgb": {
    "r": 42,
    "g": 56,
    "b": 129
  },
  "hsl": {
    "h": 230.345,
    "s": 50.877,
    "l": 33.529
  },
  "oklch": {
    "l": 0.37355,
    "c": 0.12369,
    "h": 271
  },
  "luminance": 0.04906
}

Semantic roles & 50–950 ramp

primary

#2A3881

secondary

#AFA157

accent

#C44DDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2A3881

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

Preview Lab → · Contrast checker → · Palette generator →