#124C5A#124C5A

#124C5A is a dark, moderate cyan. Relative luminance 0.060; OKLCH L 38.7% C 0.062 H 217.8°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#124C5A
RGB	rgb(18, 76, 90)
HSL	hsl(192, 67%, 21%)
HSV	hsv(192, 80%, 35%)
CMYK	cmyk(80%, 15.6%, 0%, 64.7%)
CIE-LAB	lab(29.50, -12.88, -13.52)
CIE-LCH	lch(29.50, 18.68, 226.40°)
OKLab	oklab(38.71% -0.0487 -0.0378)
OKLCH	oklch(38.71% 0.062 217.8)
XYZ	xyz(4.6786, 6.0351, 10.5892)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#124C5A #5A2012

analogous

#125A44 #124C5A #12285A

triadic

#124C5A #5A124C #4C5A12

tetradic

#124C5A #44125A #5A2012 #285A12

square

#124C5A #44125A #5A2012 #285A12

split-complementary

#124C5A #5A1228 #5A4412

monochromatic

#05161A #082127 #124C5A #1C778D #26A2C0

Accessibility & contrast

On white

9.51

#124C5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#124C5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #124C5A

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##124C5A	#FFFFFF	#000000	##FFFFFF
##124C5A	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434A5B

Deuteranopia (green-blind)

#39425A

Tritanopia (blue-blind)

#005150

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #124c5a;
/* rgb */ color: rgb(18, 76, 90);
/* oklch */ color: oklch(38.7% 0.062 217.8);

Tailwind

colors: {
  custom: {
    50: '#5d7e88',
    500: '#124c5a',
    950: '#000000',
  },
}

SCSS

$custom: #124c5a;
$custom-light: #5d7e88;
$custom-dark: #000000;

JSON

{
  "hex": "#124c5a",
  "rgb": {
    "r": 18,
    "g": 76,
    "b": 90
  },
  "hsl": {
    "h": 191.667,
    "s": 66.667,
    "l": 21.176
  },
  "oklch": {
    "l": 0.38708,
    "c": 0.06161,
    "h": 217.8
  },
  "luminance": 0.06036
}

Semantic roles & 50–950 ramp

primary

#124C5A

secondary

#934735

accent

#603EEA

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #124C5A

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

Preview Lab → · Contrast checker → · Palette generator →