#2D313B#2D313B

#2D313B is a dark, near-neutral blue. Relative luminance 0.031; OKLCH L 31.3% C 0.019 H 268.1°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#2D313B
RGB	rgb(45, 49, 59)
HSL	hsl(223, 13%, 20%)
HSV	hsv(223, 24%, 23%)
CMYK	cmyk(23.7%, 16.9%, 0%, 76.9%)
CIE-LAB	lab(20.32, 0.92, -6.89)
CIE-LCH	lch(20.32, 6.96, 277.57°)
OKLab	oklab(31.34% -0.0006 -0.0188)
OKLCH	oklch(31.34% 0.019 268.1)
XYZ	xyz(2.9697, 3.0702, 4.5730)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D313B #3B372D

analogous

#2D383B #2D313B #302D3B

triadic

#2D313B #3B2D31 #313B2D

tetradic

#2D313B #3B2D38 #3B372D #2D3B30

square

#2D313B #3B2D38 #3B372D #2D3B30

split-complementary

#2D313B #3B302D #383B2D

monochromatic

#0D0E11 #131418 #2D313B #474E5E #626B80

Accessibility & contrast

On white

13.01

#2D313B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#2D313B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D313B

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D313B	#FFFFFF	#000000	##FFFFFF
##2D313B	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E323B

Deuteranopia (green-blind)

#2D303B

Tritanopia (blue-blind)

#2A3334

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2d313b;
/* rgb */ color: rgb(45, 49, 59);
/* oklch */ color: oklch(31.3% 0.019 268.1);

Tailwind

colors: {
  custom: {
    50: '#666970',
    500: '#2d313b',
    950: '#000000',
  },
}

SCSS

$custom: #2d313b;
$custom-light: #666970;
$custom-dark: #000000;

JSON

{
  "hex": "#2d313b",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 59
  },
  "hsl": {
    "h": 222.857,
    "s": 13.462,
    "l": 20.392
  },
  "oklch": {
    "l": 0.31343,
    "c": 0.01878,
    "h": 268.1
  },
  "luminance": 0.0307
}

Semantic roles & 50–950 ramp

primary

#2D313B

secondary

#6B6659

accent

#A372B6

background

#F6F6F6

surface

#EBEBEC

border

#C6C6C7

text

#050607

muted

#7A7A7A

Preview Lab

Preview with #2D313B

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

Preview Lab → · Contrast checker → · Palette generator →