#2A313B#2A313B

#2A313B is a dark, muted blue. Relative luminance 0.030; OKLCH L 31.1% C 0.020 H 257.3°. Best body text is #FFFFFF at 13.12:1 contrast (WCAG AA passes).

Color values

HEX	#2A313B
RGB	rgb(42, 49, 59)
HSL	hsl(215, 17%, 20%)
HSV	hsv(215, 29%, 23%)
CMYK	cmyk(28.8%, 16.9%, 0%, 76.9%)
CIE-LAB	lab(20.06, -0.24, -7.31)
CIE-LCH	lch(20.06, 7.32, 268.11°)
OKLab	oklab(31.07% -0.0045 -0.02)
OKLCH	oklch(31.07% 0.02 257.3)
XYZ	xyz(2.8424, 3.0045, 4.5670)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A313B #3B342A

analogous

#2A3A3B #2A313B #2C2A3B

triadic

#2A313B #3B2A31 #313B2A

tetradic

#2A313B #3B2A3A #3B342A #2A3B2C

square

#2A313B #3B2A3A #3B342A #2A3B2C

split-complementary

#2A313B #3B2C2A #3A3B2A

monochromatic

#0D0F12 #111317 #2A313B #434F5F #5D6C83

Accessibility & contrast

On white

13.12

#2A313B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#2A313B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A313B

13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A313B	#FFFFFF	#000000	##FFFFFF
##2A313B	1.00	13.12	1.60	13.12
#FFFFFF	13.12	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E313B

Deuteranopia (green-blind)

#2C303B

Tritanopia (blue-blind)

#253334

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #2a313b;
/* rgb */ color: rgb(42, 49, 59);
/* oklch */ color: oklch(31.1% 0.020 257.3);

Tailwind

colors: {
  custom: {
    50: '#646970',
    500: '#2a313b',
    950: '#000000',
  },
}

SCSS

$custom: #2a313b;
$custom-light: #646970;
$custom-dark: #000000;

JSON

{
  "hex": "#2a313b",
  "rgb": {
    "r": 42,
    "g": 49,
    "b": 59
  },
  "hsl": {
    "h": 215.294,
    "s": 16.832,
    "l": 19.804
  },
  "oklch": {
    "l": 0.31072,
    "c": 0.02048,
    "h": 257.3
  },
  "luminance": 0.03005
}

Semantic roles & 50–950 ramp

primary

#2A313B

secondary

#6C6255

accent

#9B6EBA

background

#F5F6F6

surface

#EAEBEC

border

#C6C6C7

text

#050607

muted

#797A7A

Preview Lab

Preview with #2A313B

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

Preview Lab → · Contrast checker → · Palette generator →