#124F5D#124F5D

#124F5D is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 39.7% C 0.063 H 217.0°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#124F5D
RGB	rgb(18, 79, 93)
HSL	hsl(191, 68%, 22%)
HSV	hsv(191, 81%, 36%)
CMYK	cmyk(80.6%, 15.1%, 0%, 63.5%)
CIE-LAB	lab(30.66, -13.54, -13.66)
CIE-LCH	lch(30.66, 19.23, 225.25°)
OKLab	oklab(39.69% -0.0507 -0.0381)
OKLCH	oklch(39.69% 0.063 217)
XYZ	xyz(5.0204, 6.5103, 11.3458)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#124F5D #5D2012

analogous

#125D46 #124F5D #122A5D

triadic

#124F5D #5D124F #4F5D12

tetradic

#124F5D #46125D #5D2012 #2A5D12

square

#124F5D #46125D #5D2012 #2A5D12

split-complementary

#124F5D #5D122A #5D4612

monochromatic

#05161A #08232A #124F5D #1C7B90 #26A6C4

Accessibility & contrast

On white

9.12

#124F5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#124F5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #124F5D

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##124F5D	#FFFFFF	#000000	##FFFFFF
##124F5D	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464C5E

Deuteranopia (green-blind)

#3C455D

Tritanopia (blue-blind)

#005453

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #124f5d;
/* rgb */ color: rgb(18, 79, 93);
/* oklch */ color: oklch(39.7% 0.063 217.0);

Tailwind

colors: {
  custom: {
    50: '#5e808b',
    500: '#124f5d',
    950: '#000000',
  },
}

SCSS

$custom: #124f5d;
$custom-light: #5e808b;
$custom-dark: #000000;

JSON

{
  "hex": "#124f5d",
  "rgb": {
    "r": 18,
    "g": 79,
    "b": 93
  },
  "hsl": {
    "h": 191.2,
    "s": 67.568,
    "l": 21.765
  },
  "oklch": {
    "l": 0.39687,
    "c": 0.06343,
    "h": 217
  },
  "luminance": 0.06511
}

Semantic roles & 50–950 ramp

primary

#124F5D

secondary

#954735

accent

#5E3DEA

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #124F5D

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

Preview Lab → · Contrast checker → · Palette generator →