#2B313E#2B313E

#2B313E is a dark, muted blue. Relative luminance 0.031; OKLCH L 31.3% C 0.025 H 265.5°. Best body text is #FFFFFF at 13.03:1 contrast (WCAG AA passes).

Color values

HEX	#2B313E
RGB	rgb(43, 49, 62)
HSL	hsl(221, 18%, 21%)
HSV	hsv(221, 31%, 24%)
CMYK	cmyk(30.6%, 21%, 0%, 75.7%)
CIE-LAB	lab(20.27, 1.02, -9.03)
CIE-LCH	lch(20.27, 9.09, 276.45°)
OKLab	oklab(31.3% -0.0019 -0.0248)
OKLCH	oklch(31.3% 0.025 265.5)
XYZ	xyz(2.9638, 3.0579, 4.9906)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B313E #3E382B

analogous

#2B3A3E #2B313E #2E2B3E

triadic

#2B313E #3E2B31 #313E2B

tetradic

#2B313E #3E2B3A #3E382B #2B3E2E

square

#2B313E #3E2B3A #3E382B #2B3E2E

split-complementary

#2B313E #3E2E2B #3A3E2B

monochromatic

#0D0E12 #12141A #2B313E #444E62 #5D6A86

Accessibility & contrast

On white

13.03

#2B313E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#2B313E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B313E

13.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B313E	#FFFFFF	#000000	##FFFFFF
##2B313E	1.00	13.03	1.61	13.03
#FFFFFF	13.03	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D323F

Deuteranopia (green-blind)

#2B303E

Tritanopia (blue-blind)

#263435

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2b313e;
/* rgb */ color: rgb(43, 49, 62);
/* oklch */ color: oklch(31.3% 0.025 265.5);

Tailwind

colors: {
  custom: {
    50: '#646973',
    500: '#2b313e',
    950: '#000000',
  },
}

SCSS

$custom: #2b313e;
$custom-light: #646973;
$custom-dark: #000000;

JSON

{
  "hex": "#2b313e",
  "rgb": {
    "r": 43,
    "g": 49,
    "b": 62
  },
  "hsl": {
    "h": 221.053,
    "s": 18.095,
    "l": 20.588
  },
  "oklch": {
    "l": 0.31302,
    "c": 0.02486,
    "h": 265.5
  },
  "luminance": 0.03058
}

Semantic roles & 50–950 ramp

primary

#2B313E

secondary

#6F6756

accent

#A26DBB

background

#F6F6F6

surface

#EBEBEC

border

#C6C6C7

text

#050608

muted

#7A7A7B

Preview Lab

Preview with #2B313E

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

Preview Lab → · Contrast checker → · Palette generator →