#124E5B#124E5B

#124E5B is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.3% C 0.062 H 215.8°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#124E5B
RGB	rgb(18, 78, 91)
HSL	hsl(191, 67%, 21%)
HSV	hsv(191, 80%, 36%)
CMYK	cmyk(80.2%, 14.3%, 0%, 64.3%)
CIE-LAB	lab(30.24, -13.69, -13.04)
CIE-LCH	lch(30.24, 18.91, 223.61°)
OKLab	oklab(39.31% -0.0505 -0.0364)
OKLCH	oklch(39.31% 0.062 215.8)
XYZ	xyz(4.8614, 6.3321, 10.8615)
Luminance	0.0633 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#124E5B #5B1F12

analogous

#125B44 #124E5B #122A5B

triadic

#124E5B #5B124E #4E5B12

tetradic

#124E5B #44125B #5B1F12 #2A5B12

square

#124E5B #44125B #5B1F12 #2A5B12

split-complementary

#124E5B #5B122A #5B4412

monochromatic

#05161A #082228 #124E5B #1C7A8E #26A6C1

Accessibility & contrast

On white

9.26

#124E5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#124E5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #124E5B

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##124E5B	#FFFFFF	#000000	##FFFFFF
##124E5B	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454B5C

Deuteranopia (green-blind)

#3B445B

Tritanopia (blue-blind)

#005352

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #124e5b;
/* rgb */ color: rgb(18, 78, 91);
/* oklch */ color: oklch(39.3% 0.062 215.8);

Tailwind

colors: {
  custom: {
    50: '#5d7f89',
    500: '#124e5b',
    950: '#000000',
  },
}

SCSS

$custom: #124e5b;
$custom-light: #5d7f89;
$custom-dark: #000000;

JSON

{
  "hex": "#124e5b",
  "rgb": {
    "r": 18,
    "g": 78,
    "b": 91
  },
  "hsl": {
    "h": 190.685,
    "s": 66.972,
    "l": 21.373
  },
  "oklch": {
    "l": 0.39313,
    "c": 0.06222,
    "h": 215.8
  },
  "luminance": 0.06333
}

Semantic roles & 50–950 ramp

primary

#124E5B

secondary

#934635

accent

#5D3EEA

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #124E5B

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

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