#2B437A#2B437A

#2B437A is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.3% C 0.098 H 264.6°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#2B437A
RGB	rgb(43, 67, 122)
HSL	hsl(222, 48%, 32%)
HSV	hsv(222, 65%, 48%)
CMYK	cmyk(64.8%, 45.1%, 0%, 52.2%)
CIE-LAB	lab(29.24, 9.62, -34.17)
CIE-LCH	lch(29.24, 35.50, 285.73°)
OKLab	oklab(39.33% -0.0092 -0.0974)
OKLCH	oklch(39.33% 0.098 264.6)
XYZ	xyz(6.5151, 5.9325, 19.2103)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B437A #7A622B

analogous

#2B6B7A #2B437A #3A2B7A

triadic

#2B437A #7A2B43 #437A2B

tetradic

#2B437A #7A2B6B #7A622B #2B7A3A

square

#2B437A #7A2B6B #7A622B #2B7A3A

split-complementary

#2B437A #7A3A2B #6B7A2B

monochromatic

#0B111F #1B2A4D #2B437A #3B5CA7 #5A7BC5

Accessibility & contrast

On white

9.60

#2B437A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2B437A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B437A

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B437A	#FFFFFF	#000000	##FFFFFF
##2B437A	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A497C

Deuteranopia (green-blind)

#1E4279

Tritanopia (blue-blind)

#004F58

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2b437a;
/* rgb */ color: rgb(43, 67, 122);
/* oklch */ color: oklch(39.3% 0.098 264.6);

Tailwind

colors: {
  custom: {
    50: '#6d76a1',
    500: '#2b437a',
    950: '#000000',
  },
}

SCSS

$custom: #2b437a;
$custom-light: #6d76a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b437a",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 122
  },
  "hsl": {
    "h": 221.772,
    "s": 47.879,
    "l": 32.353
  },
  "oklch": {
    "l": 0.39328,
    "c": 0.09787,
    "h": 264.6
  },
  "luminance": 0.05933
}

Semantic roles & 50–950 ramp

primary

#2B437A

secondary

#AB9156

accent

#AE50D7

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07080F

muted

#7A7B7E

Preview Lab

Preview with #2B437A

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

Preview Lab → · Contrast checker → · Palette generator →