#123D54#123D54

#123D54 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.2% C 0.061 H 236.2°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#123D54
RGB	rgb(18, 61, 84)
HSL	hsl(201, 65%, 20%)
HSV	hsv(201, 79%, 33%)
CMYK	cmyk(78.6%, 27.4%, 0%, 67.1%)
CIE-LAB	lab(24.02, -5.86, -18.10)
CIE-LCH	lch(24.02, 19.03, 252.05°)
OKLab	oklab(34.23% -0.0342 -0.051)
OKLCH	oklch(34.23% 0.061 236.2)
XYZ	xyz(3.5178, 4.1058, 8.9929)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123D54 #542912

analogous

#12544A #123D54 #121C54

triadic

#123D54 #54123D #3D5412

tetradic

#123D54 #4A1254 #542912 #1C5412

square

#123D54 #4A1254 #542912 #1C5412

split-complementary

#123D54 #54121C #544A12

monochromatic

#051219 #071822 #123D54 #1D6286 #2886B9

Accessibility & contrast

On white

11.53

#123D54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#123D54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123D54

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123D54	#FFFFFF	#000000	##FFFFFF
##123D54	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323D55

Deuteranopia (green-blind)

#293654

Tritanopia (blue-blind)

#004345

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #123d54;
/* rgb */ color: rgb(18, 61, 84);
/* oklch */ color: oklch(34.2% 0.061 236.2);

Tailwind

colors: {
  custom: {
    50: '#5a7284',
    500: '#123d54',
    950: '#000000',
  },
}

SCSS

$custom: #123d54;
$custom-light: #5a7284;
$custom-dark: #000000;

JSON

{
  "hex": "#123d54",
  "rgb": {
    "r": 18,
    "g": 61,
    "b": 84
  },
  "hsl": {
    "h": 200.909,
    "s": 64.706,
    "l": 20
  },
  "oklch": {
    "l": 0.3423,
    "c": 0.06138,
    "h": 236.2
  },
  "luminance": 0.04106
}

Semantic roles & 50–950 ramp

primary

#123D54

secondary

#8D5435

accent

#7B40E8

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #123D54

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

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