#124B5B#124B5B

#124B5B is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 38.5% C 0.062 H 221.0°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#124B5B
RGB	rgb(18, 75, 91)
HSL	hsl(193, 67%, 21%)
HSV	hsv(193, 80%, 36%)
CMYK	cmyk(80.2%, 17.6%, 0%, 64.3%)
CIE-LAB	lab(29.20, -11.91, -14.63)
CIE-LCH	lch(29.20, 18.86, 230.85°)
OKLab	oklab(38.48% -0.0471 -0.0409)
OKLCH	oklch(38.48% 0.062 221)
XYZ	xyz(4.6531, 5.9155, 10.7921)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#124B5B #5B2212

analogous

#125B47 #124B5B #12275B

triadic

#124B5B #5B124B #4B5B12

tetradic

#124B5B #47125B #5B2212 #275B12

square

#124B5B #47125B #5B2212 #275B12

split-complementary

#124B5B #5B1227 #5B4712

monochromatic

#05151A #082128 #124B5B #1C758E #269FC1

Accessibility & contrast

On white

9.62

#124B5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#124B5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #124B5B

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##124B5B	#FFFFFF	#000000	##FFFFFF
##124B5B	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41495C

Deuteranopia (green-blind)

#38425B

Tritanopia (blue-blind)

#005050

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #124b5b;
/* rgb */ color: rgb(18, 75, 91);
/* oklch */ color: oklch(38.5% 0.062 221.0);

Tailwind

colors: {
  custom: {
    50: '#5d7d89',
    500: '#124b5b',
    950: '#000000',
  },
}

SCSS

$custom: #124b5b;
$custom-light: #5d7d89;
$custom-dark: #000000;

JSON

{
  "hex": "#124b5b",
  "rgb": {
    "r": 18,
    "g": 75,
    "b": 91
  },
  "hsl": {
    "h": 193.151,
    "s": 66.972,
    "l": 21.373
  },
  "oklch": {
    "l": 0.38479,
    "c": 0.06239,
    "h": 221
  },
  "luminance": 0.05916
}

Semantic roles & 50–950 ramp

primary

#124B5B

secondary

#934A35

accent

#643EEA

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #124B5B

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

Preview Lab → · Contrast checker → · Palette generator →