#123E45#123E45

#123E45 is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.7% C 0.048 H 209.9°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#123E45
RGB	rgb(18, 62, 69)
HSL	hsl(188, 59%, 17%)
HSV	hsv(188, 74%, 27%)
CMYK	cmyk(73.9%, 10.1%, 0%, 72.9%)
CIE-LAB	lab(23.68, -12.23, -8.70)
CIE-LCH	lch(23.68, 15.01, 215.42°)
OKLab	oklab(33.73% -0.042 -0.0241)
OKLCH	oklch(33.73% 0.048 209.9)
XYZ	xyz(3.0458, 4.0032, 6.2412)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123E45 #451912

analogous

#124533 #123E45 #122545

triadic

#123E45 #45123E #3E4512

tetradic

#123E45 #331245 #451912 #254512

square

#123E45 #331245 #451912 #254512

split-complementary

#123E45 #451225 #453312

monochromatic

#061618 #061618 #123E45 #1F6A76 #2B95A6

Accessibility & contrast

On white

11.66

#123E45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#123E45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123E45

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123E45	#FFFFFF	#000000	##FFFFFF
##123E45	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383C45

Deuteranopia (green-blind)

#303645

Tritanopia (blue-blind)

#004140

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #123e45;
/* rgb */ color: rgb(18, 62, 69);
/* oklch */ color: oklch(33.7% 0.048 209.9);

Tailwind

colors: {
  custom: {
    50: '#587378',
    500: '#123e45',
    950: '#000000',
  },
}

SCSS

$custom: #123e45;
$custom-light: #587378;
$custom-dark: #000000;

JSON

{
  "hex": "#123e45",
  "rgb": {
    "r": 18,
    "g": 62,
    "b": 69
  },
  "hsl": {
    "h": 188.235,
    "s": 58.621,
    "l": 17.059
  },
  "oklch": {
    "l": 0.33733,
    "c": 0.04849,
    "h": 209.9
  },
  "luminance": 0.04004
}

Semantic roles & 50–950 ramp

primary

#123E45

secondary

#7E3F35

accent

#5B46E2

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#040809

muted

#797B7B

Preview Lab

Preview with #123E45

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

Preview Lab → · Contrast checker → · Palette generator →