#2B375A#2B375A

#2B375A is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.4% C 0.064 H 268.6°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#2B375A
RGB	rgb(43, 55, 90)
HSL	hsl(225, 35%, 26%)
HSV	hsv(225, 52%, 35%)
CMYK	cmyk(52.2%, 38.9%, 0%, 64.7%)
CIE-LAB	lab(23.62, 6.10, -22.58)
CIE-LCH	lch(23.62, 23.39, 285.13°)
OKLab	oklab(34.37% -0.0016 -0.0636)
OKLCH	oklch(34.37% 0.064 268.6)
XYZ	xyz(4.2073, 3.9839, 10.2181)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B375A #5A4E2B

analogous

#2B4E5A #2B375A #362B5A

triadic

#2B375A #5A2B37 #375A2B

tetradic

#2B375A #5A2B4E #5A4E2B #2B5A36

square

#2B375A #5A2B4E #5A4E2B #2B5A36

split-complementary

#2B375A #5A362B #4E5A2B

monochromatic

#0A0D15 #171E31 #2B375A #3F5083 #536AAD

Accessibility & contrast

On white

11.69

#2B375A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#2B375A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B375A

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B375A	#FFFFFF	#000000	##FFFFFF
##2B375A	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3A5B

Deuteranopia (green-blind)

#253659

Tritanopia (blue-blind)

#183E44

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2b375a;
/* rgb */ color: rgb(43, 55, 90);
/* oklch */ color: oklch(34.4% 0.064 268.6);

Tailwind

colors: {
  custom: {
    50: '#676d89',
    500: '#2b375a',
    950: '#000000',
  },
}

SCSS

$custom: #2b375a;
$custom-light: #676d89;
$custom-dark: #000000;

JSON

{
  "hex": "#2b375a",
  "rgb": {
    "r": 43,
    "g": 55,
    "b": 90
  },
  "hsl": {
    "h": 224.681,
    "s": 35.338,
    "l": 26.078
  },
  "oklch": {
    "l": 0.34366,
    "c": 0.06366,
    "h": 268.6
  },
  "luminance": 0.03984
}

Semantic roles & 50–950 ramp

primary

#2B375A

secondary

#8C7E55

accent

#AF5CCB

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#06070B

muted

#7A7A7C

Preview Lab

Preview with #2B375A

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

Preview Lab → · Contrast checker → · Palette generator →