#123F65#123F65

#123F65 is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.8% C 0.082 H 248.2°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#123F65
RGB	rgb(18, 63, 101)
HSL	hsl(207, 70%, 23%)
HSV	hsv(207, 82%, 40%)
CMYK	cmyk(82.2%, 37.6%, 0%, 60.4%)
CIE-LAB	lab(25.63, -0.26, -26.63)
CIE-LCH	lch(25.63, 26.63, 269.45°)
OKLab	oklab(35.81% -0.0304 -0.0758)
OKLCH	oklch(35.81% 0.082 248.2)
XYZ	xyz(4.3750, 4.6227, 12.9711)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123F65 #653812

analogous

#126561 #123F65 #121565

triadic

#123F65 #65123F #3F6512

tetradic

#123F65 #611265 #653812 #156512

square

#123F65 #611265 #653812 #156512

split-complementary

#123F65 #651215 #656112

monochromatic

#05101A #091F31 #123F65 #1B5F99 #2580CD

Accessibility & contrast

On white

10.91

#123F65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#123F65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123F65

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123F65	#FFFFFF	#000000	##FFFFFF
##123F65	1.00	10.91	1.92	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4167

Deuteranopia (green-blind)

#213964

Tritanopia (blue-blind)

#00484D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #123f65;
/* rgb */ color: rgb(18, 63, 101);
/* oklch */ color: oklch(35.8% 0.082 248.2);

Tailwind

colors: {
  custom: {
    50: '#5e7391',
    500: '#123f65',
    950: '#000000',
  },
}

SCSS

$custom: #123f65;
$custom-light: #5e7391;
$custom-dark: #000000;

JSON

{
  "hex": "#123f65",
  "rgb": {
    "r": 18,
    "g": 63,
    "b": 101
  },
  "hsl": {
    "h": 207.47,
    "s": 69.748,
    "l": 23.333
  },
  "oklch": {
    "l": 0.35812,
    "c": 0.08165,
    "h": 248.2
  },
  "luminance": 0.04623
}

Semantic roles & 50–950 ramp

primary

#123F65

secondary

#9D6536

accent

#8C3BED

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #123F65

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

Preview Lab → · Contrast checker → · Palette generator →