#2B437B#2B437B

#2B437B is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.4% C 0.099 H 264.8°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#2B437B
RGB	rgb(43, 67, 123)
HSL	hsl(222, 48%, 33%)
HSV	hsv(222, 65%, 48%)
CMYK	cmyk(65%, 45.5%, 0%, 51.8%)
CIE-LAB	lab(29.30, 10.00, -34.70)
CIE-LCH	lch(29.30, 36.11, 286.07°)
OKLab	oklab(39.4% -0.0091 -0.099)
OKLCH	oklch(39.4% 0.099 264.8)
XYZ	xyz(6.5773, 5.9574, 19.5383)
Luminance	0.0596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B437B #7B632B

analogous

#2B6B7B #2B437B #3B2B7B

triadic

#2B437B #7B2B43 #437B2B

tetradic

#2B437B #7B2B6B #7B632B #2B7B3B

square

#2B437B #7B2B6B #7B632B #2B7B3B

split-complementary

#2B437B #7B3B2B #6B7B2B

monochromatic

#0B1220 #1B2A4E #2B437B #3B5CA8 #5B7BC6

Accessibility & contrast

On white

9.58

#2B437B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2B437B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B437B

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B437B	#FFFFFF	#000000	##FFFFFF
##2B437B	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29497D

Deuteranopia (green-blind)

#1D427A

Tritanopia (blue-blind)

#005059

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2b437b;
/* rgb */ color: rgb(43, 67, 123);
/* oklch */ color: oklch(39.4% 0.099 264.8);

Tailwind

colors: {
  custom: {
    50: '#6d76a1',
    500: '#2b437b',
    950: '#000000',
  },
}

SCSS

$custom: #2b437b;
$custom-light: #6d76a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b437b",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 123
  },
  "hsl": {
    "h": 222,
    "s": 48.193,
    "l": 32.549
  },
  "oklch": {
    "l": 0.39397,
    "c": 0.09938,
    "h": 264.8
  },
  "luminance": 0.05958
}

Semantic roles & 50–950 ramp

primary

#2B437B

secondary

#AB9256

accent

#AF50D8

background

#F6F7FA

surface

#ECEDF3

border

#C7C8CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #2B437B

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

Preview Lab → · Contrast checker → · Palette generator →