#124D5A#124D5A

#124D5A is a dark, moderate cyan. Relative luminance 0.062; OKLCH L 39.0% C 0.062 H 216.0°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#124D5A
RGB	rgb(18, 77, 90)
HSL	hsl(191, 67%, 21%)
HSV	hsv(191, 80%, 35%)
CMYK	cmyk(80%, 14.4%, 0%, 64.7%)
CIE-LAB	lab(29.85, -13.47, -12.99)
CIE-LCH	lch(29.85, 18.72, 223.96°)
OKLab	oklab(38.99% -0.0498 -0.0362)
OKLCH	oklch(38.99% 0.062 216)
XYZ	xyz(4.7480, 6.1740, 10.6123)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#124D5A #5A1F12

analogous

#125A43 #124D5A #12295A

triadic

#124D5A #5A124D #4D5A12

tetradic

#124D5A #43125A #5A1F12 #295A12

square

#124D5A #43125A #5A1F12 #295A12

split-complementary

#124D5A #5A1229 #5A4312

monochromatic

#05161A #082127 #124D5A #1C798D #26A4C0

Accessibility & contrast

On white

9.40

#124D5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#124D5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #124D5A

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##124D5A	#FFFFFF	#000000	##FFFFFF
##124D5A	1.00	9.40	2.24	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444A5B

Deuteranopia (green-blind)

#3A435A

Tritanopia (blue-blind)

#005251

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #124d5a;
/* rgb */ color: rgb(18, 77, 90);
/* oklch */ color: oklch(39.0% 0.062 216.0);

Tailwind

colors: {
  custom: {
    50: '#5d7f88',
    500: '#124d5a',
    950: '#000000',
  },
}

SCSS

$custom: #124d5a;
$custom-light: #5d7f88;
$custom-dark: #000000;

JSON

{
  "hex": "#124d5a",
  "rgb": {
    "r": 18,
    "g": 77,
    "b": 90
  },
  "hsl": {
    "h": 190.833,
    "s": 66.667,
    "l": 21.176
  },
  "oklch": {
    "l": 0.38987,
    "c": 0.0616,
    "h": 216
  },
  "luminance": 0.06175
}

Semantic roles & 50–950 ramp

primary

#124D5A

secondary

#934635

accent

#5D3EEA

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #124D5A

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

Preview Lab → · Contrast checker → · Palette generator →