#123E65#123E65

#123E65 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.6% C 0.083 H 249.2°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#123E65
RGB	rgb(18, 62, 101)
HSL	hsl(208, 70%, 23%)
HSV	hsv(208, 82%, 40%)
CMYK	cmyk(82.2%, 38.6%, 0%, 60.4%)
CIE-LAB	lab(25.30, 0.42, -27.16)
CIE-LCH	lch(25.30, 27.16, 270.89°)
OKLab	oklab(35.55% -0.0294 -0.0773)
OKLCH	oklch(35.55% 0.083 249.2)
XYZ	xyz(4.3201, 4.5129, 12.9528)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123E65 #653912

analogous

#126562 #123E65 #121465

triadic

#123E65 #65123E #3E6512

tetradic

#123E65 #621265 #653912 #146512

square

#123E65 #621265 #653912 #146512

split-complementary

#123E65 #651214 #656212

monochromatic

#05101A #091E31 #123E65 #1B5E99 #257ECD

Accessibility & contrast

On white

11.04

#123E65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#123E65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123E65

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123E65	#FFFFFF	#000000	##FFFFFF
##123E65	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4067

Deuteranopia (green-blind)

#1F3964

Tritanopia (blue-blind)

#00474C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #123e65;
/* rgb */ color: rgb(18, 62, 101);
/* oklch */ color: oklch(35.6% 0.083 249.2);

Tailwind

colors: {
  custom: {
    50: '#5e7291',
    500: '#123e65',
    950: '#000000',
  },
}

SCSS

$custom: #123e65;
$custom-light: #5e7291;
$custom-dark: #000000;

JSON

{
  "hex": "#123e65",
  "rgb": {
    "r": 18,
    "g": 62,
    "b": 101
  },
  "hsl": {
    "h": 208.193,
    "s": 69.748,
    "l": 23.333
  },
  "oklch": {
    "l": 0.35551,
    "c": 0.08273,
    "h": 249.2
  },
  "luminance": 0.04513
}

Semantic roles & 50–950 ramp

primary

#123E65

secondary

#9D6636

accent

#8F3BED

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #123E65

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

Preview Lab → · Contrast checker → · Palette generator →