#2A3F7B#2A3F7B

#2A3F7B is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.4% C 0.105 H 266.9°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#2A3F7B
RGB	rgb(42, 63, 123)
HSL	hsl(224, 49%, 32%)
HSV	hsv(224, 66%, 48%)
CMYK	cmyk(65.9%, 48.8%, 0%, 51.8%)
CIE-LAB	lab(28.05, 12.54, -36.70)
CIE-LCH	lch(28.05, 38.79, 288.86°)
OKLab	oklab(38.42% -0.0057 -0.1049)
OKLCH	oklch(38.42% 0.105 266.9)
XYZ	xyz(6.3063, 5.4768, 19.4598)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3F7B #7B662A

analogous

#2A687B #2A3F7B #3D2A7B

triadic

#2A3F7B #7B2A3F #3F7B2A

tetradic

#2A3F7B #7B2A68 #7B662A #2A7B3D

square

#2A3F7B #7B2A68 #7B662A #2A7B3D

split-complementary

#2A3F7B #7B3D2A #687B2A

monochromatic

#0B1020 #1A284D #2A3F7B #3A56A9 #5975C6

Accessibility & contrast

On white

10.02

#2A3F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2A3F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3F7B

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3F7B	#FFFFFF	#000000	##FFFFFF
##2A3F7B	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21467D

Deuteranopia (green-blind)

#123F7A

Tritanopia (blue-blind)

#004D57

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2a3f7b;
/* rgb */ color: rgb(42, 63, 123);
/* oklch */ color: oklch(38.4% 0.105 266.9);

Tailwind

colors: {
  custom: {
    50: '#6c73a1',
    500: '#2a3f7b',
    950: '#000000',
  },
}

SCSS

$custom: #2a3f7b;
$custom-light: #6c73a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3f7b",
  "rgb": {
    "r": 42,
    "g": 63,
    "b": 123
  },
  "hsl": {
    "h": 224.444,
    "s": 49.091,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38422,
    "c": 0.1051,
    "h": 266.9
  },
  "luminance": 0.05477
}

Semantic roles & 50–950 ramp

primary

#2A3F7B

secondary

#AC9555

accent

#B54FD9

background

#F6F6FA

surface

#ECECF3

border

#C7C7CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #2A3F7B

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

Preview Lab → · Contrast checker → · Palette generator →