#123459#123459

#123459 is a dark, moderate cyan. Relative luminance 0.033; OKLCH L 32.1% C 0.077 H 253.0°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#123459
RGB	rgb(18, 52, 89)
HSL	hsl(211, 66%, 21%)
HSV	hsv(211, 80%, 35%)
CMYK	cmyk(79.8%, 41.6%, 0%, 65.1%)
CIE-LAB	lab(21.23, 2.32, -25.79)
CIE-LCH	lch(21.23, 25.89, 275.14°)
OKLab	oklab(32.12% -0.0225 -0.0735)
OKLCH	oklch(32.12% 0.077 253)
XYZ	xyz(3.2799, 3.3055, 9.9144)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123459 #593712

analogous

#125759 #123459 #141259

triadic

#123459 #591234 #345912

tetradic

#123459 #591257 #593712 #125914

square

#123459 #591257 #593712 #125914

split-complementary

#123459 #591412 #575912

monochromatic

#050F19 #081626 #123459 #1C528C #276FBF

Accessibility & contrast

On white

12.64

#123459 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#123459 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123459

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123459	#FFFFFF	#000000	##FFFFFF
##123459	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23375A

Deuteranopia (green-blind)

#183058

Tritanopia (blue-blind)

#003D42

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #123459;
/* rgb */ color: rgb(18, 52, 89);
/* oklch */ color: oklch(32.1% 0.077 253.0);

Tailwind

colors: {
  custom: {
    50: '#5b6b88',
    500: '#123459',
    950: '#000000',
  },
}

SCSS

$custom: #123459;
$custom-light: #5b6b88;
$custom-dark: #000000;

JSON

{
  "hex": "#123459",
  "rgb": {
    "r": 18,
    "g": 52,
    "b": 89
  },
  "hsl": {
    "h": 211.268,
    "s": 66.355,
    "l": 20.98
  },
  "oklch": {
    "l": 0.32123,
    "c": 0.0769,
    "h": 253
  },
  "luminance": 0.03306
}

Semantic roles & 50–950 ramp

primary

#123459

secondary

#926535

accent

#983FE9

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #123459

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

Preview Lab → · Contrast checker → · Palette generator →