#123859#123859

#123859 is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.2% C 0.072 H 248.3°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#123859
RGB	rgb(18, 56, 89)
HSL	hsl(208, 66%, 21%)
HSV	hsv(208, 80%, 35%)
CMYK	cmyk(79.8%, 37.1%, 0%, 65.1%)
CIE-LAB	lab(22.58, -0.47, -23.65)
CIE-LCH	lch(22.58, 23.66, 268.86°)
OKLab	oklab(33.18% -0.0268 -0.0672)
OKLCH	oklch(33.18% 0.072 248.3)
XYZ	xyz(3.4661, 3.6778, 9.9765)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123859 #593312

analogous

#125956 #123859 #121559

triadic

#123859 #591238 #385912

tetradic

#123859 #561259 #593312 #155912

square

#123859 #561259 #593312 #155912

split-complementary

#123859 #591215 #595612

monochromatic

#051019 #081826 #123859 #1C588C #2778BF

Accessibility & contrast

On white

12.10

#123859 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#123859 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123859

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123859	#FFFFFF	#000000	##FFFFFF
##123859	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293A5A

Deuteranopia (green-blind)

#1F3358

Tritanopia (blue-blind)

#004044

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #123859;
/* rgb */ color: rgb(18, 56, 89);
/* oklch */ color: oklch(33.2% 0.072 248.3);

Tailwind

colors: {
  custom: {
    50: '#5b6e88',
    500: '#123859',
    950: '#000000',
  },
}

SCSS

$custom: #123859;
$custom-light: #5b6e88;
$custom-dark: #000000;

JSON

{
  "hex": "#123859",
  "rgb": {
    "r": 18,
    "g": 56,
    "b": 89
  },
  "hsl": {
    "h": 207.887,
    "s": 66.355,
    "l": 20.98
  },
  "oklch": {
    "l": 0.3318,
    "c": 0.07235,
    "h": 248.3
  },
  "luminance": 0.03678
}

Semantic roles & 50–950 ramp

primary

#123859

secondary

#926035

accent

#8E3FE9

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #123859

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

Preview Lab → · Contrast checker → · Palette generator →