#2A3F76#2A3F76

#2A3F76 is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.1% C 0.097 H 266.2°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#2A3F76
RGB	rgb(42, 63, 118)
HSL	hsl(223, 48%, 31%)
HSV	hsv(223, 64%, 46%)
CMYK	cmyk(64.4%, 46.6%, 0%, 53.7%)
CIE-LAB	lab(27.72, 10.64, -34.08)
CIE-LCH	lch(27.72, 35.71, 287.34°)
OKLab	oklab(38.06% -0.0065 -0.0972)
OKLCH	oklch(38.06% 0.097 266.2)
XYZ	xyz(6.0012, 5.3547, 17.8533)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3F76 #76612A

analogous

#2A6576 #2A3F76 #3B2A76

triadic

#2A3F76 #762A3F #3F762A

tetradic

#2A3F76 #762A65 #76612A #2A763B

square

#2A3F76 #762A65 #76612A #2A763B

split-complementary

#2A3F76 #763B2A #65762A

monochromatic

#0A0F1C #1A2749 #2A3F76 #3A57A3 #5775C3

Accessibility & contrast

On white

10.14

#2A3F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2A3F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3F76

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3F76	#FFFFFF	#000000	##FFFFFF
##2A3F76	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254578

Deuteranopia (green-blind)

#193E75

Tritanopia (blue-blind)

#004B54

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2a3f76;
/* rgb */ color: rgb(42, 63, 118);
/* oklch */ color: oklch(38.1% 0.097 266.2);

Tailwind

colors: {
  custom: {
    50: '#6b739e',
    500: '#2a3f76',
    950: '#000000',
  },
}

SCSS

$custom: #2a3f76;
$custom-light: #6b739e;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3f76",
  "rgb": {
    "r": 42,
    "g": 63,
    "b": 118
  },
  "hsl": {
    "h": 223.421,
    "s": 47.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.38063,
    "c": 0.09747,
    "h": 266.2
  },
  "luminance": 0.05355
}

Semantic roles & 50–950 ramp

primary

#2A3F76

secondary

#A89154

accent

#B251D7

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #2A3F76

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

Preview Lab → · Contrast checker → · Palette generator →