#123C6E#123C6E

#123C6E is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.7% C 0.098 H 255.2°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#123C6E
RGB	rgb(18, 60, 110)
HSL	hsl(213, 72%, 25%)
HSV	hsv(213, 84%, 43%)
CMYK	cmyk(83.6%, 45.5%, 0%, 56.9%)
CIE-LAB	lab(25.22, 5.59, -33.07)
CIE-LCH	lch(25.22, 33.54, 279.60°)
OKLab	oklab(35.67% -0.0251 -0.0947)
OKLCH	oklch(35.67% 0.098 255.2)
XYZ	xyz(4.6787, 4.4855, 15.3680)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123C6E #6E4412

analogous

#126A6E #123C6E #16126E

triadic

#123C6E #6E123C #3C6E12

tetradic

#123C6E #6E126A #6E4412 #126E16

square

#123C6E #6E126A #6E4412 #126E16

split-complementary

#123C6E #6E1612 #6A6E12

monochromatic

#040E1A #091F39 #123C6E #1B59A3 #2375D7

Accessibility & contrast

On white

11.07

#123C6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#123C6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123C6E

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123C6E	#FFFFFF	#000000	##FFFFFF
##123C6E	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234070

Deuteranopia (green-blind)

#11386D

Tritanopia (blue-blind)

#00484F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #123c6e;
/* rgb */ color: rgb(18, 60, 110);
/* oklch */ color: oklch(35.7% 0.098 255.2);

Tailwind

colors: {
  custom: {
    50: '#607198',
    500: '#123c6e',
    950: '#000000',
  },
}

SCSS

$custom: #123c6e;
$custom-light: #607198;
$custom-dark: #000000;

JSON

{
  "hex": "#123c6e",
  "rgb": {
    "r": 18,
    "g": 60,
    "b": 110
  },
  "hsl": {
    "h": 212.609,
    "s": 71.875,
    "l": 25.098
  },
  "oklch": {
    "l": 0.3567,
    "c": 0.098,
    "h": 255.2
  },
  "luminance": 0.04486
}

Semantic roles & 50–950 ramp

primary

#123C6E

secondary

#A57337

accent

#9C39EF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #123C6E

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

Preview Lab → · Contrast checker → · Palette generator →