#2A3779#2A3779

#2A3779 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.5% C 0.113 H 271.3°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#2A3779
RGB	rgb(42, 55, 121)
HSL	hsl(230, 48%, 32%)
HSV	hsv(230, 65%, 47%)
CMYK	cmyk(65.3%, 54.5%, 0%, 52.5%)
CIE-LAB	lab(25.58, 17.31, -39.43)
CIE-LCH	lch(25.58, 43.06, 293.70°)
OKLab	oklab(36.5% 0.0027 -0.1131)
OKLCH	oklch(36.5% 0.113 271.3)
XYZ	xyz(5.7711, 4.6046, 18.6701)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3779 #796C2A

analogous

#2A5F79 #2A3779 #452A79

triadic

#2A3779 #792A37 #37792A

tetradic

#2A3779 #792A5F #796C2A #2A7945

square

#2A3779 #792A5F #796C2A #2A7945

split-complementary

#2A3779 #79452A #5F792A

monochromatic

#0A0E1E #1A224C #2A3779 #3A4CA6 #586AC5

Accessibility & contrast

On white

10.93

#2A3779 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2A3779 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3779

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3779	#FFFFFF	#000000	##FFFFFF
##2A3779	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E407B

Deuteranopia (green-blind)

#003978

Tritanopia (blue-blind)

#004652

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2a3779;
/* rgb */ color: rgb(42, 55, 121);
/* oklch */ color: oklch(36.5% 0.113 271.3);

Tailwind

colors: {
  custom: {
    50: '#6d6da0',
    500: '#2a3779',
    950: '#000000',
  },
}

SCSS

$custom: #2a3779;
$custom-light: #6d6da0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3779",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 121
  },
  "hsl": {
    "h": 230.127,
    "s": 48.466,
    "l": 31.961
  },
  "oklch": {
    "l": 0.36498,
    "c": 0.11311,
    "h": 271.3
  },
  "luminance": 0.04605
}

Semantic roles & 50–950 ramp

primary

#2A3779

secondary

#AB9C54

accent

#C250D8

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #2A3779

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

Preview Lab → · Contrast checker → · Palette generator →