#12353B#12353B

#12353B is a dark, muted teal. Relative luminance 0.030; OKLCH L 30.6% C 0.041 H 210.5°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#12353B
RGB	rgb(18, 53, 59)
HSL	hsl(189, 53%, 15%)
HSV	hsv(189, 69%, 23%)
CMYK	cmyk(69.5%, 10.2%, 0%, 76.9%)
CIE-LAB	lab(20.00, -10.33, -7.54)
CIE-LCH	lch(20.00, 12.79, 216.13°)
OKLab	oklab(30.64% -0.0355 -0.0209)
OKLCH	oklch(30.64% 0.041 210.5)
XYZ	xyz(2.3116, 2.9903, 4.5922)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12353B #3B1812

analogous

#123B2C #12353B #12213B

triadic

#12353B #3B1235 #353B12

tetradic

#12353B #2C123B #3B1812 #213B12

square

#12353B #2C123B #3B1812 #213B12

split-complementary

#12353B #3B1221 #3B2C12

monochromatic

#071517 #071517 #12353B #205F6A #2F8999

Accessibility & contrast

On white

13.14

#12353B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#12353B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12353B

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12353B	#FFFFFF	#000000	##FFFFFF
##12353B	1.00	13.14	1.60	13.14
#FFFFFF	13.14	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30333B

Deuteranopia (green-blind)

#2A2E3B

Tritanopia (blue-blind)

#003837

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #12353b;
/* rgb */ color: rgb(18, 53, 59);
/* oklch */ color: oklch(30.6% 0.041 210.5);

Tailwind

colors: {
  custom: {
    50: '#556c70',
    500: '#12353b',
    950: '#000000',
  },
}

SCSS

$custom: #12353b;
$custom-light: #556c70;
$custom-dark: #000000;

JSON

{
  "hex": "#12353b",
  "rgb": {
    "r": 18,
    "g": 53,
    "b": 59
  },
  "hsl": {
    "h": 188.78,
    "s": 53.247,
    "l": 15.098
  },
  "oklch": {
    "l": 0.30637,
    "c": 0.04119,
    "h": 210.5
  },
  "luminance": 0.02991
}

Semantic roles & 50–950 ramp

primary

#12353B

secondary

#743E35

accent

#604BDD

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030707

muted

#787A7A

Preview Lab

Preview with #12353B

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

Preview Lab → · Contrast checker → · Palette generator →