#123A4D#123A4D

#123A4D is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.0% C 0.055 H 232.7°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#123A4D
RGB	rgb(18, 58, 77)
HSL	hsl(199, 62%, 19%)
HSV	hsv(199, 77%, 30%)
CMYK	cmyk(76.6%, 24.7%, 0%, 69.8%)
CIE-LAB	lab(22.62, -6.69, -15.65)
CIE-LCH	lch(22.62, 17.02, 246.86°)
OKLab	oklab(33% -0.0335 -0.0439)
OKLCH	oklch(33% 0.055 232.7)
XYZ	xyz(3.1015, 3.6902, 7.5686)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123A4D #4D2512

analogous

#124D42 #123A4D #121C4D

triadic

#123A4D #4D123A #3A4D12

tetradic

#123A4D #42124D #4D2512 #1C4D12

square

#123A4D #42124D #4D2512 #1C4D12

split-complementary

#123A4D #4D121C #4D4212

monochromatic

#061319 #06151B #123A4D #1E5F7F #2985B0

Accessibility & contrast

On white

12.08

#123A4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#123A4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123A4D

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123A4D	#FFFFFF	#000000	##FFFFFF
##123A4D	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31394E

Deuteranopia (green-blind)

#29334D

Tritanopia (blue-blind)

#003F40

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #123a4d;
/* rgb */ color: rgb(18, 58, 77);
/* oklch */ color: oklch(33.0% 0.055 232.7);

Tailwind

colors: {
  custom: {
    50: '#59707f',
    500: '#123a4d',
    950: '#000000',
  },
}

SCSS

$custom: #123a4d;
$custom-light: #59707f;
$custom-dark: #000000;

JSON

{
  "hex": "#123a4d",
  "rgb": {
    "r": 18,
    "g": 58,
    "b": 77
  },
  "hsl": {
    "h": 199.322,
    "s": 62.105,
    "l": 18.627
  },
  "oklch": {
    "l": 0.33001,
    "c": 0.05526,
    "h": 232.7
  },
  "luminance": 0.03691
}

Semantic roles & 50–950 ramp

primary

#123A4D

secondary

#864F35

accent

#7743E5

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #123A4D

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

Preview Lab → · Contrast checker → · Palette generator →