#2A3A72#2A3A72

#2A3A72 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.6% C 0.098 H 269.1°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#2A3A72
RGB	rgb(42, 58, 114)
HSL	hsl(227, 46%, 31%)
HSV	hsv(227, 63%, 45%)
CMYK	cmyk(63.2%, 49.1%, 0%, 55.3%)
CIE-LAB	lab(25.96, 12.58, -34.37)
CIE-LCH	lch(25.96, 36.60, 290.11°)
OKLab	oklab(36.63% -0.0015 -0.0982)
OKLCH	oklch(36.63% 0.098 269.1)
XYZ	xyz(5.5041, 4.7328, 16.5398)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3A72 #72622A

analogous

#2A5E72 #2A3A72 #3E2A72

triadic

#2A3A72 #722A3A #3A722A

tetradic

#2A3A72 #722A5E #72622A #2A723E

square

#2A3A72 #722A5E #72622A #2A723E

split-complementary

#2A3A72 #723E2A #5E722A

monochromatic

#090C19 #1A2345 #2A3A72 #3A519F #566EC1

Accessibility & contrast

On white

10.79

#2A3A72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2A3A72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3A72

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3A72	#FFFFFF	#000000	##FFFFFF
##2A3A72	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4174

Deuteranopia (green-blind)

#133A71

Tritanopia (blue-blind)

#004750

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2a3a72;
/* rgb */ color: rgb(42, 58, 114);
/* oklch */ color: oklch(36.6% 0.098 269.1);

Tailwind

colors: {
  custom: {
    50: '#6b6f9b',
    500: '#2a3a72',
    950: '#000000',
  },
}

SCSS

$custom: #2a3a72;
$custom-light: #6b6f9b;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3a72",
  "rgb": {
    "r": 42,
    "g": 58,
    "b": 114
  },
  "hsl": {
    "h": 226.667,
    "s": 46.154,
    "l": 30.588
  },
  "oklch": {
    "l": 0.3663,
    "c": 0.09817,
    "h": 269.1
  },
  "luminance": 0.04733
}

Semantic roles & 50–950 ramp

primary

#2A3A72

secondary

#A49254

accent

#B952D6

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #2A3A72

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

Preview Lab → · Contrast checker → · Palette generator →