#123E64#123E64

#123E64 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.5% C 0.081 H 248.6°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#123E64
RGB	rgb(18, 62, 100)
HSL	hsl(208, 69%, 23%)
HSV	hsv(208, 82%, 39%)
CMYK	cmyk(82%, 38%, 0%, 60.8%)
CIE-LAB	lab(25.24, 0.01, -26.61)
CIE-LCH	lch(25.24, 26.61, 270.02°)
OKLab	oklab(35.49% -0.0297 -0.0757)
OKLCH	oklch(35.49% 0.081 248.6)
XYZ	xyz(4.2715, 4.4934, 12.6963)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123E64 #643812

analogous

#126461 #123E64 #121564

triadic

#123E64 #64123E #3E6412

tetradic

#123E64 #611264 #643812 #156412

square

#123E64 #611264 #643812 #156412

split-complementary

#123E64 #641215 #646112

monochromatic

#05101A #091E30 #123E64 #1B5E98 #257ECC

Accessibility & contrast

On white

11.06

#123E64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#123E64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123E64

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123E64	#FFFFFF	#000000	##FFFFFF
##123E64	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4066

Deuteranopia (green-blind)

#203863

Tritanopia (blue-blind)

#00474C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #123e64;
/* rgb */ color: rgb(18, 62, 100);
/* oklch */ color: oklch(35.5% 0.081 248.6);

Tailwind

colors: {
  custom: {
    50: '#5e7290',
    500: '#123e64',
    950: '#000000',
  },
}

SCSS

$custom: #123e64;
$custom-light: #5e7290;
$custom-dark: #000000;

JSON

{
  "hex": "#123e64",
  "rgb": {
    "r": 18,
    "g": 62,
    "b": 100
  },
  "hsl": {
    "h": 207.805,
    "s": 69.492,
    "l": 23.137
  },
  "oklch": {
    "l": 0.35485,
    "c": 0.08133,
    "h": 248.6
  },
  "luminance": 0.04494
}

Semantic roles & 50–950 ramp

primary

#123E64

secondary

#9C6536

accent

#8D3BEC

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #123E64

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

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