#123C65#123C65

#123C65 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.0% C 0.085 H 251.2°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#123C65
RGB	rgb(18, 60, 101)
HSL	hsl(210, 70%, 23%)
HSV	hsv(210, 82%, 40%)
CMYK	cmyk(82.2%, 40.6%, 0%, 60.4%)
CIE-LAB	lab(24.64, 1.80, -28.21)
CIE-LCH	lch(24.64, 28.27, 273.64°)
OKLab	oklab(35.03% -0.0273 -0.0805)
OKLCH	oklch(35.03% 0.085 251.2)
XYZ	xyz(4.2134, 4.2994, 12.9172)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123C65 #653B12

analogous

#126564 #123C65 #121265

triadic

#123C65 #65123C #3C6512

tetradic

#123C65 #641265 #653B12 #126512

square

#123C65 #641265 #653B12 #126512

split-complementary

#123C65 #651212 #656412

monochromatic

#050F1A #091D31 #123C65 #1B5B99 #257ACD

Accessibility & contrast

On white

11.29

#123C65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#123C65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123C65

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123C65	#FFFFFF	#000000	##FFFFFF
##123C65	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293F67

Deuteranopia (green-blind)

#1C3764

Tritanopia (blue-blind)

#00464B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #123c65;
/* rgb */ color: rgb(18, 60, 101);
/* oklch */ color: oklch(35.0% 0.085 251.2);

Tailwind

colors: {
  custom: {
    50: '#5e7191',
    500: '#123c65',
    950: '#000000',
  },
}

SCSS

$custom: #123c65;
$custom-light: #5e7191;
$custom-dark: #000000;

JSON

{
  "hex": "#123c65",
  "rgb": {
    "r": 18,
    "g": 60,
    "b": 101
  },
  "hsl": {
    "h": 209.639,
    "s": 69.748,
    "l": 23.333
  },
  "oklch": {
    "l": 0.35032,
    "c": 0.08498,
    "h": 251.2
  },
  "luminance": 0.043
}

Semantic roles & 50–950 ramp

primary

#123C65

secondary

#9D6936

accent

#933BED

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070D

muted

#797A7D

Preview Lab

Preview with #123C65

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

Preview Lab → · Contrast checker → · Palette generator →