#2B437E#2B437E

#2B437E is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.6% C 0.104 H 265.3°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#2B437E
RGB	rgb(43, 67, 126)
HSL	hsl(223, 49%, 33%)
HSV	hsv(223, 66%, 49%)
CMYK	cmyk(65.9%, 46.8%, 0%, 50.6%)
CIE-LAB	lab(29.50, 11.13, -36.27)
CIE-LCH	lch(29.50, 37.94, 287.07°)
OKLab	oklab(39.61% -0.0085 -0.1036)
OKLCH	oklch(39.61% 0.104 265.3)
XYZ	xyz(6.7680, 6.0336, 20.5426)
Luminance	0.0603 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B437E #7E662B

analogous

#2B6C7E #2B437E #3D2B7E

triadic

#2B437E #7E2B43 #437E2B

tetradic

#2B437E #7E2B6C #7E662B #2B7E3D

square

#2B437E #7E2B6C #7E662B #2B7E3D

split-complementary

#2B437E #7E3D2B #6C7E2B

monochromatic

#0C1223 #1B2B50 #2B437E #3B5BAC #5C7BC7

Accessibility & contrast

On white

9.52

#2B437E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2B437E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B437E

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B437E	#FFFFFF	#000000	##FFFFFF
##2B437E	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274A80

Deuteranopia (green-blind)

#19427D

Tritanopia (blue-blind)

#00505A

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2b437e;
/* rgb */ color: rgb(43, 67, 126);
/* oklch */ color: oklch(39.6% 0.104 265.3);

Tailwind

colors: {
  custom: {
    50: '#6d76a4',
    500: '#2b437e',
    950: '#000000',
  },
}

SCSS

$custom: #2b437e;
$custom-light: #6d76a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b437e",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 126
  },
  "hsl": {
    "h": 222.651,
    "s": 49.112,
    "l": 33.137
  },
  "oklch": {
    "l": 0.39607,
    "c": 0.10393,
    "h": 265.3
  },
  "luminance": 0.06034
}

Semantic roles & 50–950 ramp

primary

#2B437E

secondary

#AD9458

accent

#B14FD9

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2B437E

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

Preview Lab → · Contrast checker → · Palette generator →