#2A437D#2A437D

#2A437D is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.5% C 0.103 H 264.6°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#2A437D
RGB	rgb(42, 67, 125)
HSL	hsl(222, 50%, 33%)
HSV	hsv(222, 66%, 49%)
CMYK	cmyk(66.4%, 46.4%, 0%, 51%)
CIE-LAB	lab(29.38, 10.56, -35.83)
CIE-LCH	lch(29.38, 37.36, 286.42°)
OKLab	oklab(39.48% -0.0097 -0.1023)
OKLCH	oklch(39.48% 0.103 264.6)
XYZ	xyz(6.6624, 5.9866, 20.2025)
Luminance	0.0599 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A437D #7D642A

analogous

#2A6C7D #2A437D #3B2A7D

triadic

#2A437D #7D2A43 #437D2A

tetradic

#2A437D #7D2A6C #7D642A #2A7D3B

square

#2A437D #7D2A6C #7D642A #2A7D3B

split-complementary

#2A437D #7D3B2A #6C7D2A

monochromatic

#0B1221 #1B2A4F #2A437D #395CAB #5A7BC8

Accessibility & contrast

On white

9.56

#2A437D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2A437D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A437D

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A437D	#FFFFFF	#000000	##FFFFFF
##2A437D	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27497F

Deuteranopia (green-blind)

#1A427C

Tritanopia (blue-blind)

#00505A

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2a437d;
/* rgb */ color: rgb(42, 67, 125);
/* oklch */ color: oklch(39.5% 0.103 264.6);

Tailwind

colors: {
  custom: {
    50: '#6d76a3',
    500: '#2a437d',
    950: '#000000',
  },
}

SCSS

$custom: #2a437d;
$custom-light: #6d76a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a437d",
  "rgb": {
    "r": 42,
    "g": 67,
    "b": 125
  },
  "hsl": {
    "h": 221.928,
    "s": 49.701,
    "l": 32.745
  },
  "oklch": {
    "l": 0.3948,
    "c": 0.10278,
    "h": 264.6
  },
  "luminance": 0.05987
}

Semantic roles & 50–950 ramp

primary

#2A437D

secondary

#AD9356

accent

#AF4FD9

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #2A437D

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

Preview Lab → · Contrast checker → · Palette generator →