#2B375D#2B375D

#2B375D is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.6% C 0.069 H 269.3°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#2B375D
RGB	rgb(43, 55, 93)
HSL	hsl(226, 37%, 27%)
HSV	hsv(226, 54%, 36%)
CMYK	cmyk(53.8%, 40.9%, 0%, 63.5%)
CIE-LAB	lab(23.79, 7.17, -24.27)
CIE-LCH	lch(23.79, 25.31, 286.46°)
OKLab	oklab(34.56% -0.0008 -0.0686)
OKLCH	oklch(34.56% 0.069 269.3)
XYZ	xyz(4.3376, 4.0360, 10.9043)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B375D #5D512B

analogous

#2B505D #2B375D #382B5D

triadic

#2B375D #5D2B37 #375D2B

tetradic

#2B375D #5D2B50 #5D512B #2B5D38

square

#2B375D #5D2B50 #5D512B #2B5D38

split-complementary

#2B375D #5D382B #505D2B

monochromatic

#0A0C15 #181E33 #2B375D #3E5087 #5369AF

Accessibility & contrast

On white

11.62

#2B375D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#2B375D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B375D

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B375D	#FFFFFF	#000000	##FFFFFF
##2B375D	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283B5F

Deuteranopia (green-blind)

#23375C

Tritanopia (blue-blind)

#163F45

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2b375d;
/* rgb */ color: rgb(43, 55, 93);
/* oklch */ color: oklch(34.6% 0.069 269.3);

Tailwind

colors: {
  custom: {
    50: '#686d8b',
    500: '#2b375d',
    950: '#000000',
  },
}

SCSS

$custom: #2b375d;
$custom-light: #686d8b;
$custom-dark: #000000;

JSON

{
  "hex": "#2b375d",
  "rgb": {
    "r": 43,
    "g": 55,
    "b": 93
  },
  "hsl": {
    "h": 225.6,
    "s": 36.765,
    "l": 26.667
  },
  "oklch": {
    "l": 0.34555,
    "c": 0.06858,
    "h": 269.3
  },
  "luminance": 0.04036
}

Semantic roles & 50–950 ramp

primary

#2B375D

secondary

#8F8155

accent

#B15BCD

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #2B375D

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

Preview Lab → · Contrast checker → · Palette generator →