#01212F#01212F

#01212F is a very dark, muted cyan. Relative luminance 0.013; OKLCH L 23.3% C 0.046 H 231.1°. Best body text is #FFFFFF at 16.67:1 contrast (WCAG AA passes).

Color values

HEX	#01212F
RGB	rgb(1, 33, 47)
HSL	hsl(198, 96%, 9%)
HSV	hsv(198, 98%, 18%)
CMYK	cmyk(97.9%, 29.8%, 0%, 81.6%)
CIE-LAB	lab(11.27, -5.51, -12.59)
CIE-LCH	lch(11.27, 13.75, 246.37°)
OKLab	oklab(23.26% -0.0287 -0.0356)
OKLCH	oklch(23.26% 0.046 231.1)
XYZ	xyz(1.0693, 1.2993, 2.8832)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01212F #2F0F01

analogous

#012F26 #01212F #010A2F

triadic

#01212F #2F0121 #212F01

tetradic

#01212F #26012F #2F0F01 #0A2F01

square

#01212F #26012F #2F0F01 #0A2F01

split-complementary

#01212F #2F010A #2F2601

monochromatic

#01151E #01151E #01212F #024B6B #0475A7

Accessibility & contrast

On white

16.67

#01212F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#01212F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01212F

16.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01212F	#FFFFFF	#000000	##FFFFFF
##01212F	1.00	16.67	1.26	16.67
#FFFFFF	16.67	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A2030

Deuteranopia (green-blind)

#131C2F

Tritanopia (blue-blind)

#002526

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #01212f;
/* rgb */ color: rgb(1, 33, 47);
/* oklch */ color: oklch(23.3% 0.046 231.1);

Tailwind

colors: {
  custom: {
    50: '#4a5c67',
    500: '#01212f',
    950: '#000000',
  },
}

SCSS

$custom: #01212f;
$custom-light: #4a5c67;
$custom-dark: #000000;

JSON

{
  "hex": "#01212f",
  "rgb": {
    "r": 1,
    "g": 33,
    "b": 47
  },
  "hsl": {
    "h": 198.261,
    "s": 95.833,
    "l": 9.412
  },
  "oklch": {
    "l": 0.23263,
    "c": 0.04569,
    "h": 231.1
  },
  "luminance": 0.01299
}

Semantic roles & 50–950 ramp

primary

#01212F

secondary

#753417

accent

#6A29FF

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010406

muted

#77797A

Preview Lab

Preview with #01212F

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

Preview Lab → · Contrast checker → · Palette generator →