#123857#123857

#123857 is a dark, moderate cyan. Relative luminance 0.036; OKLCH L 33.1% C 0.070 H 246.7°. Best body text is #FFFFFF at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#123857
RGB	rgb(18, 56, 87)
HSL	hsl(207, 66%, 21%)
HSV	hsv(207, 79%, 34%)
CMYK	cmyk(79.3%, 35.6%, 0%, 65.9%)
CIE-LAB	lab(22.46, -1.30, -22.52)
CIE-LCH	lch(22.46, 22.56, 266.70°)
OKLab	oklab(33.05% -0.0274 -0.0639)
OKLCH	oklch(33.05% 0.07 246.7)
XYZ	xyz(3.3833, 3.6447, 9.5402)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123857 #573112

analogous

#125753 #123857 #121557

triadic

#123857 #571238 #385712

tetradic

#123857 #531257 #573112 #155712

square

#123857 #531257 #573112 #155712

split-complementary

#123857 #571215 #575312

monochromatic

#051019 #081724 #123857 #1C598A #2779BC

Accessibility & contrast

On white

12.15

#123857 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#123857 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123857

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123857	#FFFFFF	#000000	##FFFFFF
##123857	1.00	12.15	1.73	12.15
#FFFFFF	12.15	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3958

Deuteranopia (green-blind)

#203356

Tritanopia (blue-blind)

#003F43

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #123857;
/* rgb */ color: rgb(18, 56, 87);
/* oklch */ color: oklch(33.1% 0.070 246.7);

Tailwind

colors: {
  custom: {
    50: '#5b6e86',
    500: '#123857',
    950: '#000000',
  },
}

SCSS

$custom: #123857;
$custom-light: #5b6e86;
$custom-dark: #000000;

JSON

{
  "hex": "#123857",
  "rgb": {
    "r": 18,
    "g": 56,
    "b": 87
  },
  "hsl": {
    "h": 206.957,
    "s": 65.714,
    "l": 20.588
  },
  "oklch": {
    "l": 0.3305,
    "c": 0.06954,
    "h": 246.7
  },
  "luminance": 0.03645
}

Semantic roles & 50–950 ramp

primary

#123857

secondary

#905E35

accent

#8B3FE9

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #123857

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

Preview Lab → · Contrast checker → · Palette generator →