#2A3A73#2A3A73

#2A3A73 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.7% C 0.100 H 269.2°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#2A3A73
RGB	rgb(42, 58, 115)
HSL	hsl(227, 46%, 31%)
HSV	hsv(227, 63%, 45%)
CMYK	cmyk(63.5%, 49.6%, 0%, 54.9%)
CIE-LAB	lab(26.03, 12.96, -34.90)
CIE-LCH	lch(26.03, 37.23, 290.37°)
OKLab	oklab(36.7% -0.0013 -0.0997)
OKLCH	oklch(36.7% 0.1 269.2)
XYZ	xyz(5.5614, 4.7557, 16.8412)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3A73 #73632A

analogous

#2A5E73 #2A3A73 #3E2A73

triadic

#2A3A73 #732A3A #3A732A

tetradic

#2A3A73 #732A5E #73632A #2A733E

square

#2A3A73 #732A5E #73632A #2A733E

split-complementary

#2A3A73 #733E2A #5E732A

monochromatic

#090D19 #1A2346 #2A3A73 #3A51A0 #566EC1

Accessibility & contrast

On white

10.76

#2A3A73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2A3A73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3A73

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3A73	#FFFFFF	#000000	##FFFFFF
##2A3A73	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4175

Deuteranopia (green-blind)

#123B72

Tritanopia (blue-blind)

#004751

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2a3a73;
/* rgb */ color: rgb(42, 58, 115);
/* oklch */ color: oklch(36.7% 0.100 269.2);

Tailwind

colors: {
  custom: {
    50: '#6b6f9c',
    500: '#2a3a73',
    950: '#000000',
  },
}

SCSS

$custom: #2a3a73;
$custom-light: #6b6f9c;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3a73",
  "rgb": {
    "r": 42,
    "g": 58,
    "b": 115
  },
  "hsl": {
    "h": 226.849,
    "s": 46.497,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36703,
    "c": 0.09972,
    "h": 269.2
  },
  "luminance": 0.04756
}

Semantic roles & 50–950 ramp

primary

#2A3A73

secondary

#A59354

accent

#B952D6

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #2A3A73

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

Preview Lab → · Contrast checker → · Palette generator →