#2B3753#2B3753

#2B3753 is a dark, muted blue. Relative luminance 0.039; OKLCH L 33.9% C 0.052 H 266.0°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#2B3753
RGB	rgb(43, 55, 83)
HSL	hsl(222, 32%, 25%)
HSV	hsv(222, 48%, 33%)
CMYK	cmyk(48.2%, 33.7%, 0%, 67.5%)
CIE-LAB	lab(23.24, 3.67, -18.56)
CIE-LCH	lch(23.24, 18.92, 281.18°)
OKLab	oklab(33.95% -0.0037 -0.052)
OKLCH	oklch(33.95% 0.052 266)
XYZ	xyz(3.9233, 3.8703, 8.7222)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3753 #53472B

analogous

#2B4B53 #2B3753 #332B53

triadic

#2B3753 #532B37 #37532B

tetradic

#2B3753 #532B4B #53472B #2B5333

square

#2B3753 #532B4B #53472B #2B5333

split-complementary

#2B3753 #53332B #4B532B

monochromatic

#0A0D14 #161C2B #2B3753 #40527B #556CA4

Accessibility & contrast

On white

11.84

#2B3753 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#2B3753 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3753

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3753	#FFFFFF	#000000	##FFFFFF
##2B3753	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3954

Deuteranopia (green-blind)

#293652

Tritanopia (blue-blind)

#1C3D41

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2b3753;
/* rgb */ color: rgb(43, 55, 83);
/* oklch */ color: oklch(33.9% 0.052 266.0);

Tailwind

colors: {
  custom: {
    50: '#666d83',
    500: '#2b3753',
    950: '#000000',
  },
}

SCSS

$custom: #2b3753;
$custom-light: #666d83;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3753",
  "rgb": {
    "r": 43,
    "g": 55,
    "b": 83
  },
  "hsl": {
    "h": 222,
    "s": 31.746,
    "l": 24.706
  },
  "oklch": {
    "l": 0.33947,
    "c": 0.05212,
    "h": 266
  },
  "luminance": 0.03871
}

Semantic roles & 50–950 ramp

primary

#2B3753

secondary

#857755

accent

#A960C8

background

#F6F6F8

surface

#EBEBEF

border

#C6C6CA

text

#06070A

muted

#7A7A7C

Preview Lab

Preview with #2B3753

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

Preview Lab → · Contrast checker → · Palette generator →