#123D6F#123D6F

#123D6F is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 36.0% C 0.098 H 254.8°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#123D6F
RGB	rgb(18, 61, 111)
HSL	hsl(212, 72%, 25%)
HSV	hsv(212, 84%, 44%)
CMYK	cmyk(83.8%, 45%, 0%, 56.5%)
CIE-LAB	lab(25.60, 5.32, -33.09)
CIE-LCH	lch(25.60, 33.51, 279.13°)
OKLab	oklab(35.99% -0.0257 -0.0948)
OKLCH	oklch(35.99% 0.098 254.8)
XYZ	xyz(4.7864, 4.6132, 15.6740)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123D6F #6F4412

analogous

#126B6F #123D6F #15126F

triadic

#123D6F #6F123D #3D6F12

tetradic

#123D6F #6F126B #6F4412 #126F15

square

#123D6F #6F126B #6F4412 #126F15

split-complementary

#123D6F #6F1512 #6B6F12

monochromatic

#040E1A #09203A #123D6F #1B5AA4 #2377D8

Accessibility & contrast

On white

10.92

#123D6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#123D6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123D6F

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123D6F	#FFFFFF	#000000	##FFFFFF
##123D6F	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244171

Deuteranopia (green-blind)

#12396E

Tritanopia (blue-blind)

#004950

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #123d6f;
/* rgb */ color: rgb(18, 61, 111);
/* oklch */ color: oklch(36.0% 0.098 254.8);

Tailwind

colors: {
  custom: {
    50: '#617299',
    500: '#123d6f',
    950: '#000000',
  },
}

SCSS

$custom: #123d6f;
$custom-light: #617299;
$custom-dark: #000000;

JSON

{
  "hex": "#123d6f",
  "rgb": {
    "r": 18,
    "g": 61,
    "b": 111
  },
  "hsl": {
    "h": 212.258,
    "s": 72.093,
    "l": 25.294
  },
  "oklch": {
    "l": 0.35993,
    "c": 0.0982,
    "h": 254.8
  },
  "luminance": 0.04614
}

Semantic roles & 50–950 ramp

primary

#123D6F

secondary

#A67337

accent

#9B39EF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #123D6F

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

Preview Lab → · Contrast checker → · Palette generator →