#124E5C#124E5C

#124E5C is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 39.4% C 0.063 H 217.2°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#124E5C
RGB	rgb(18, 78, 92)
HSL	hsl(191, 67%, 22%)
HSV	hsv(191, 80%, 36%)
CMYK	cmyk(80.4%, 15.2%, 0%, 63.9%)
CIE-LAB	lab(30.28, -13.32, -13.61)
CIE-LCH	lch(30.28, 19.05, 225.62°)
OKLab	oklab(39.36% -0.05 -0.038)
OKLCH	oklch(39.36% 0.063 217.2)
XYZ	xyz(4.9048, 6.3495, 11.0902)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#124E5C #5C2012

analogous

#125C45 #124E5C #12295C

triadic

#124E5C #5C124E #4E5C12

tetradic

#124E5C #45125C #5C2012 #295C12

square

#124E5C #45125C #5C2012 #295C12

split-complementary

#124E5C #5C1229 #5C4512

monochromatic

#05161A #082329 #124E5C #1C798F #26A5C2

Accessibility & contrast

On white

9.25

#124E5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#124E5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #124E5C

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##124E5C	#FFFFFF	#000000	##FFFFFF
##124E5C	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454B5D

Deuteranopia (green-blind)

#3B445C

Tritanopia (blue-blind)

#005352

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #124e5c;
/* rgb */ color: rgb(18, 78, 92);
/* oklch */ color: oklch(39.4% 0.063 217.2);

Tailwind

colors: {
  custom: {
    50: '#5d7f8a',
    500: '#124e5c',
    950: '#000000',
  },
}

SCSS

$custom: #124e5c;
$custom-light: #5d7f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#124e5c",
  "rgb": {
    "r": 18,
    "g": 78,
    "b": 92
  },
  "hsl": {
    "h": 191.351,
    "s": 67.273,
    "l": 21.569
  },
  "oklch": {
    "l": 0.39361,
    "c": 0.06283,
    "h": 217.2
  },
  "luminance": 0.0635
}

Semantic roles & 50–950 ramp

primary

#124E5C

secondary

#944735

accent

#5E3EEA

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #124E5C

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

Preview Lab → · Contrast checker → · Palette generator →