#2B437C#2B437C

#2B437C is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.5% C 0.101 H 265.0°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#2B437C
RGB	rgb(43, 67, 124)
HSL	hsl(222, 49%, 33%)
HSV	hsv(222, 65%, 49%)
CMYK	cmyk(65.3%, 46%, 0%, 51.4%)
CIE-LAB	lab(29.37, 10.38, -35.22)
CIE-LCH	lch(29.37, 36.72, 286.42°)
OKLab	oklab(39.47% -0.0089 -0.1005)
OKLCH	oklch(39.47% 0.101 265)
XYZ	xyz(6.6402, 5.9825, 19.8697)
Luminance	0.0598 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B437C #7C642B

analogous

#2B6B7C #2B437C #3B2B7C

triadic

#2B437C #7C2B43 #437C2B

tetradic

#2B437C #7C2B6B #7C642B #2B7C3B

square

#2B437C #7C2B6B #7C642B #2B7C3B

split-complementary

#2B437C #7C3B2B #6B7C2B

monochromatic

#0B1221 #1B2A4F #2B437C #3B5CA9 #5B7BC6

Accessibility & contrast

On white

9.56

#2B437C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2B437C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B437C

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B437C	#FFFFFF	#000000	##FFFFFF
##2B437C	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)

#28497E

Deuteranopia (green-blind)

#1B427B

Tritanopia (blue-blind)

#005059

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2b437c;
/* rgb */ color: rgb(43, 67, 124);
/* oklch */ color: oklch(39.5% 0.101 265.0);

Tailwind

colors: {
  custom: {
    50: '#6d76a2',
    500: '#2b437c',
    950: '#000000',
  },
}

SCSS

$custom: #2b437c;
$custom-light: #6d76a2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b437c",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 124
  },
  "hsl": {
    "h": 222.222,
    "s": 48.503,
    "l": 32.745
  },
  "oklch": {
    "l": 0.39466,
    "c": 0.1009,
    "h": 265
  },
  "luminance": 0.05983
}

Semantic roles & 50–950 ramp

primary

#2B437C

secondary

#AC9357

accent

#B050D8

background

#F6F7FA

surface

#ECEDF3

border

#C7C8CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #2B437C

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

Preview Lab → · Contrast checker → · Palette generator →