#2A3E71#2A3E71

#2A3E71 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.5% C 0.091 H 266.0°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#2A3E71
RGB	rgb(42, 62, 113)
HSL	hsl(223, 46%, 30%)
HSV	hsv(223, 63%, 44%)
CMYK	cmyk(62.8%, 45.1%, 0%, 55.7%)
CIE-LAB	lab(27.10, 9.44, -31.91)
CIE-LCH	lch(27.10, 33.28, 286.48°)
OKLab	oklab(37.48% -0.0063 -0.0909)
OKLCH	oklch(37.48% 0.091 266)
XYZ	xyz(5.6571, 5.1293, 16.3115)
Luminance	0.0513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3E71 #715D2A

analogous

#2A6171 #2A3E71 #3A2A71

triadic

#2A3E71 #712A3E #3E712A

tetradic

#2A3E71 #712A61 #715D2A #2A713A

square

#2A3E71 #712A61 #715D2A #2A713A

split-complementary

#2A3E71 #713A2A #61712A

monochromatic

#090D18 #192644 #2A3E71 #3B569E #5573C0

Accessibility & contrast

On white

10.37

#2A3E71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#2A3E71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3E71

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3E71	#FFFFFF	#000000	##FFFFFF
##2A3E71	1.00	10.37	2.03	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274373

Deuteranopia (green-blind)

#1D3D70

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2a3e71;
/* rgb */ color: rgb(42, 62, 113);
/* oklch */ color: oklch(37.5% 0.091 266.0);

Tailwind

colors: {
  custom: {
    50: '#6b729a',
    500: '#2a3e71',
    950: '#000000',
  },
}

SCSS

$custom: #2a3e71;
$custom-light: #6b729a;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3e71",
  "rgb": {
    "r": 42,
    "g": 62,
    "b": 113
  },
  "hsl": {
    "h": 223.099,
    "s": 45.806,
    "l": 30.392
  },
  "oklch": {
    "l": 0.37482,
    "c": 0.0911,
    "h": 266
  },
  "luminance": 0.0513
}

Semantic roles & 50–950 ramp

primary

#2A3E71

secondary

#A38D54

accent

#B152D5

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #2A3E71

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

Preview Lab → · Contrast checker → · Palette generator →