#123A64#123A64

#123A64 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.4% C 0.086 H 252.6°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#123A64
RGB	rgb(18, 58, 100)
HSL	hsl(211, 69%, 23%)
HSV	hsv(211, 82%, 39%)
CMYK	cmyk(82%, 42%, 0%, 60.8%)
CIE-LAB	lab(23.92, 2.76, -28.71)
CIE-LCH	lch(23.92, 28.84, 275.49°)
OKLab	oklab(34.45% -0.0256 -0.082)
OKLCH	oklch(34.45% 0.086 252.6)
XYZ	xyz(4.0619, 4.0743, 12.6265)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123A64 #643C12

analogous

#126364 #123A64 #131264

triadic

#123A64 #64123A #3A6412

tetradic

#123A64 #641263 #643C12 #126413

square

#123A64 #641263 #643C12 #126413

split-complementary

#123A64 #641312 #636412

monochromatic

#050F1A #091C30 #123A64 #1B5898 #2576CC

Accessibility & contrast

On white

11.57

#123A64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#123A64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123A64

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123A64	#FFFFFF	#000000	##FFFFFF
##123A64	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#263D66

Deuteranopia (green-blind)

#193563

Tritanopia (blue-blind)

#00444A

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #123a64;
/* rgb */ color: rgb(18, 58, 100);
/* oklch */ color: oklch(34.4% 0.086 252.6);

Tailwind

colors: {
  custom: {
    50: '#5e6f90',
    500: '#123a64',
    950: '#000000',
  },
}

SCSS

$custom: #123a64;
$custom-light: #5e6f90;
$custom-dark: #000000;

JSON

{
  "hex": "#123a64",
  "rgb": {
    "r": 18,
    "g": 58,
    "b": 100
  },
  "hsl": {
    "h": 210.732,
    "s": 69.492,
    "l": 23.137
  },
  "oklch": {
    "l": 0.34448,
    "c": 0.08589,
    "h": 252.6
  },
  "luminance": 0.04075
}

Semantic roles & 50–950 ramp

primary

#123A64

secondary

#9C6A36

accent

#963BEC

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #123A64

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

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