#124A5A#124A5A

#124A5A is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.2% C 0.062 H 221.3°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#124A5A
RGB	rgb(18, 74, 90)
HSL	hsl(193, 67%, 21%)
HSV	hsv(193, 80%, 35%)
CMYK	cmyk(80%, 17.8%, 0%, 64.7%)
CIE-LAB	lab(28.81, -11.69, -14.59)
CIE-LCH	lch(28.81, 18.69, 231.30°)
OKLab	oklab(38.15% -0.0464 -0.0408)
OKLCH	oklch(38.15% 0.062 221.3)
XYZ	xyz(4.5429, 5.7638, 10.5440)
Luminance	0.0576 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#124A5A #5A2212

analogous

#125A46 #124A5A #12265A

triadic

#124A5A #5A124A #4A5A12

tetradic

#124A5A #46125A #5A2212 #265A12

square

#124A5A #46125A #5A2212 #265A12

split-complementary

#124A5A #5A1226 #5A4612

monochromatic

#05151A #082027 #124A5A #1C748D #269EC0

Accessibility & contrast

On white

9.75

#124A5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#124A5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #124A5A

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##124A5A	#FFFFFF	#000000	##FFFFFF
##124A5A	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40485B

Deuteranopia (green-blind)

#37415A

Tritanopia (blue-blind)

#004F4F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #124a5a;
/* rgb */ color: rgb(18, 74, 90);
/* oklch */ color: oklch(38.2% 0.062 221.3);

Tailwind

colors: {
  custom: {
    50: '#5d7c88',
    500: '#124a5a',
    950: '#000000',
  },
}

SCSS

$custom: #124a5a;
$custom-light: #5d7c88;
$custom-dark: #000000;

JSON

{
  "hex": "#124a5a",
  "rgb": {
    "r": 18,
    "g": 74,
    "b": 90
  },
  "hsl": {
    "h": 193.333,
    "s": 66.667,
    "l": 21.176
  },
  "oklch": {
    "l": 0.38152,
    "c": 0.06181,
    "h": 221.3
  },
  "luminance": 0.05764
}

Semantic roles & 50–950 ramp

primary

#124A5A

secondary

#934A35

accent

#643EEA

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #124A5A

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

Preview Lab → · Contrast checker → · Palette generator →