#2A3D81#2A3D81

#2A3D81 is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.4% C 0.117 H 268.6°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#2A3D81
RGB	rgb(42, 61, 129)
HSL	hsl(227, 51%, 34%)
HSV	hsv(227, 67%, 51%)
CMYK	cmyk(67.4%, 52.7%, 0%, 49.4%)
CIE-LAB	lab(27.88, 16.20, -40.73)
CIE-LCH	lch(27.88, 43.84, 291.69°)
OKLab	oklab(38.43% -0.0028 -0.1168)
OKLCH	oklch(38.43% 0.117 268.6)
XYZ	xyz(6.5847, 5.4141, 21.4626)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3D81 #816E2A

analogous

#2A6881 #2A3D81 #422A81

triadic

#2A3D81 #812A3D #3D812A

tetradic

#2A3D81 #812A68 #816E2A #2A8142

square

#2A3D81 #812A68 #816E2A #2A8142

split-complementary

#2A3D81 #81422A #68812A

monochromatic

#0C1125 #1B2753 #2A3D81 #3953AF #5C74CA

Accessibility & contrast

On white

10.08

#2A3D81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2A3D81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3D81

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3D81	#FFFFFF	#000000	##FFFFFF
##2A3D81	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154683

Deuteranopia (green-blind)

#003E80

Tritanopia (blue-blind)

#004D59

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2a3d81;
/* rgb */ color: rgb(42, 61, 129);
/* oklch */ color: oklch(38.4% 0.117 268.6);

Tailwind

colors: {
  custom: {
    50: '#6e72a6',
    500: '#2a3d81',
    950: '#000000',
  },
}

SCSS

$custom: #2a3d81;
$custom-light: #6e72a6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3d81",
  "rgb": {
    "r": 42,
    "g": 61,
    "b": 129
  },
  "hsl": {
    "h": 226.897,
    "s": 50.877,
    "l": 33.529
  },
  "oklch": {
    "l": 0.38427,
    "c": 0.11687,
    "h": 268.6
  },
  "luminance": 0.05415
}

Semantic roles & 50–950 ramp

primary

#2A3D81

secondary

#AF9C57

accent

#BC4DDA

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2A3D81

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

Preview Lab → · Contrast checker → · Palette generator →