#124A5B#124A5B

#124A5B is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.2% C 0.063 H 222.7°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#124A5B
RGB	rgb(18, 74, 91)
HSL	hsl(194, 67%, 21%)
HSV	hsv(194, 80%, 36%)
CMYK	cmyk(80.2%, 18.7%, 0%, 64.3%)
CIE-LAB	lab(28.85, -11.31, -15.16)
CIE-LCH	lch(28.85, 18.91, 233.28°)
OKLab	oklab(38.2% -0.046 -0.0424)
OKLCH	oklch(38.2% 0.063 222.7)
XYZ	xyz(4.5858, 5.7809, 10.7696)
Luminance	0.0578 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#124A5B #5B2312

analogous

#125B48 #124A5B #12265B

triadic

#124A5B #5B124A #4A5B12

tetradic

#124A5B #48125B #5B2312 #265B12

square

#124A5B #48125B #5B2312 #265B12

split-complementary

#124A5B #5B1226 #5B4812

monochromatic

#05151A #082028 #124A5B #1C748E #269DC1

Accessibility & contrast

On white

9.74

#124A5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#124A5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #124A5B

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##124A5B	#FFFFFF	#000000	##FFFFFF
##124A5B	1.00	9.74	2.16	9.74
#FFFFFF	9.74	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40485C

Deuteranopia (green-blind)

#36415B

Tritanopia (blue-blind)

#004F4F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #124a5b;
/* rgb */ color: rgb(18, 74, 91);
/* oklch */ color: oklch(38.2% 0.063 222.7);

Tailwind

colors: {
  custom: {
    50: '#5d7c89',
    500: '#124a5b',
    950: '#000000',
  },
}

SCSS

$custom: #124a5b;
$custom-light: #5d7c89;
$custom-dark: #000000;

JSON

{
  "hex": "#124a5b",
  "rgb": {
    "r": 18,
    "g": 74,
    "b": 91
  },
  "hsl": {
    "h": 193.973,
    "s": 66.972,
    "l": 21.373
  },
  "oklch": {
    "l": 0.38202,
    "c": 0.06257,
    "h": 222.7
  },
  "luminance": 0.05781
}

Semantic roles & 50–950 ramp

primary

#124A5B

secondary

#934B35

accent

#663EEA

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #124A5B

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

Preview Lab → · Contrast checker → · Palette generator →