#123445#123445

#123445 is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.9% C 0.050 H 233.4°. Best body text is #FFFFFF at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#123445
RGB	rgb(18, 52, 69)
HSL	hsl(200, 59%, 17%)
HSV	hsv(200, 74%, 27%)
CMYK	cmyk(73.9%, 24.6%, 0%, 72.9%)
CIE-LAB	lab(20.10, -5.90, -14.19)
CIE-LCH	lch(20.10, 15.36, 247.43°)
OKLab	oklab(30.86% -0.0296 -0.0398)
OKLCH	oklch(30.86% 0.05 233.4)
XYZ	xyz(2.5512, 3.0140, 6.0764)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123445 #452312

analogous

#12453D #123445 #121B45

triadic

#123445 #451234 #344512

tetradic

#123445 #3D1245 #452312 #1B4512

square

#123445 #3D1245 #452312 #1B4512

split-complementary

#123445 #45121B #453D12

monochromatic

#061218 #061218 #123445 #1F5976 #2B7DA6

Accessibility & contrast

On white

13.10

#123445 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#123445 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123445

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123445	#FFFFFF	#000000	##FFFFFF
##123445	1.00	13.10	1.60	13.10
#FFFFFF	13.10	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3346

Deuteranopia (green-blind)

#252E45

Tritanopia (blue-blind)

#00393A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #123445;
/* rgb */ color: rgb(18, 52, 69);
/* oklch */ color: oklch(30.9% 0.050 233.4);

Tailwind

colors: {
  custom: {
    50: '#576b78',
    500: '#123445',
    950: '#000000',
  },
}

SCSS

$custom: #123445;
$custom-light: #576b78;
$custom-dark: #000000;

JSON

{
  "hex": "#123445",
  "rgb": {
    "r": 18,
    "g": 52,
    "b": 69
  },
  "hsl": {
    "h": 200,
    "s": 58.621,
    "l": 17.059
  },
  "oklch": {
    "l": 0.30864,
    "c": 0.04956,
    "h": 233.4
  },
  "luminance": 0.03014
}

Semantic roles & 50–950 ramp

primary

#123445

secondary

#7E4D35

accent

#7A46E2

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030609

muted

#787A7B

Preview Lab

Preview with #123445

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

Preview Lab → · Contrast checker → · Palette generator →