#123D63#123D63

#123D63 is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.2% C 0.081 H 249.1°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#123D63
RGB	rgb(18, 61, 99)
HSL	hsl(208, 69%, 23%)
HSV	hsv(208, 82%, 39%)
CMYK	cmyk(81.8%, 38.4%, 0%, 61.2%)
CIE-LAB	lab(24.85, 0.27, -26.58)
CIE-LCH	lch(24.85, 26.58, 270.59°)
OKLab	oklab(35.16% -0.0289 -0.0757)
OKLCH	oklch(35.16% 0.081 249.1)
XYZ	xyz(4.1695, 4.3664, 12.4250)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123D63 #633812

analogous

#126360 #123D63 #121463

triadic

#123D63 #63123D #3D6312

tetradic

#123D63 #601263 #633812 #146312

square

#123D63 #601263 #633812 #146312

split-complementary

#123D63 #631214 #636012

monochromatic

#05101A #091D2F #123D63 #1B5D97 #257DCB

Accessibility & contrast

On white

11.21

#123D63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#123D63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123D63

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123D63	#FFFFFF	#000000	##FFFFFF
##123D63	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3F65

Deuteranopia (green-blind)

#1F3862

Tritanopia (blue-blind)

#00464B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #123d63;
/* rgb */ color: rgb(18, 61, 99);
/* oklch */ color: oklch(35.2% 0.081 249.1);

Tailwind

colors: {
  custom: {
    50: '#5e728f',
    500: '#123d63',
    950: '#000000',
  },
}

SCSS

$custom: #123d63;
$custom-light: #5e728f;
$custom-dark: #000000;

JSON

{
  "hex": "#123d63",
  "rgb": {
    "r": 18,
    "g": 61,
    "b": 99
  },
  "hsl": {
    "h": 208.148,
    "s": 69.231,
    "l": 22.941
  },
  "oklch": {
    "l": 0.35157,
    "c": 0.08102,
    "h": 249.1
  },
  "luminance": 0.04367
}

Semantic roles & 50–950 ramp

primary

#123D63

secondary

#9B6536

accent

#8E3CEC

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #123D63

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

Preview Lab → · Contrast checker → · Palette generator →