#2A3C79#2A3C79

#2A3C79 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.6% C 0.106 H 268.5°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#2A3C79
RGB	rgb(42, 60, 121)
HSL	hsl(226, 48%, 32%)
HSV	hsv(226, 65%, 47%)
CMYK	cmyk(65.3%, 50.4%, 0%, 52.5%)
CIE-LAB	lab(27.03, 13.85, -37.09)
CIE-LCH	lch(27.03, 39.59, 290.47°)
OKLab	oklab(37.6% -0.0027 -0.1061)
OKLCH	oklch(37.6% 0.106 268.5)
XYZ	xyz(6.0207, 5.1039, 18.7533)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3C79 #79672A

analogous

#2A6479 #2A3C79 #402A79

triadic

#2A3C79 #792A3C #3C792A

tetradic

#2A3C79 #792A64 #79672A #2A7940

square

#2A3C79 #792A64 #79672A #2A7940

split-complementary

#2A3C79 #79402A #64792A

monochromatic

#0A0F1E #1A254C #2A3C79 #3A53A6 #5871C5

Accessibility & contrast

On white

10.39

#2A3C79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2A3C79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3C79

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3C79	#FFFFFF	#000000	##FFFFFF
##2A3C79	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C447B

Deuteranopia (green-blind)

#0C3D78

Tritanopia (blue-blind)

#004A54

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2a3c79;
/* rgb */ color: rgb(42, 60, 121);
/* oklch */ color: oklch(37.6% 0.106 268.5);

Tailwind

colors: {
  custom: {
    50: '#6c71a0',
    500: '#2a3c79',
    950: '#000000',
  },
}

SCSS

$custom: #2a3c79;
$custom-light: #6c71a0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3c79",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 121
  },
  "hsl": {
    "h": 226.329,
    "s": 48.466,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37598,
    "c": 0.10616,
    "h": 268.5
  },
  "luminance": 0.05104
}

Semantic roles & 50–950 ramp

primary

#2A3C79

secondary

#AB9754

accent

#B950D8

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #2A3C79

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

Preview Lab → · Contrast checker → · Palette generator →