#123D64#123D64

#123D64 is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.2% C 0.082 H 249.7°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#123D64
RGB	rgb(18, 61, 100)
HSL	hsl(209, 69%, 23%)
HSV	hsv(209, 82%, 39%)
CMYK	cmyk(82%, 39%, 0%, 60.8%)
CIE-LAB	lab(24.91, 0.69, -27.13)
CIE-LCH	lch(24.91, 27.14, 271.46°)
OKLab	oklab(35.22% -0.0286 -0.0773)
OKLCH	oklch(35.22% 0.082 249.7)
XYZ	xyz(4.2176, 4.3857, 12.6784)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123D64 #643912

analogous

#126462 #123D64 #121464

triadic

#123D64 #64123D #3D6412

tetradic

#123D64 #621264 #643912 #146412

square

#123D64 #621264 #643912 #146412

split-complementary

#123D64 #641214 #646212

monochromatic

#05101A #091D30 #123D64 #1B5D98 #257CCC

Accessibility & contrast

On white

11.19

#123D64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#123D64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123D64

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123D64	#FFFFFF	#000000	##FFFFFF
##123D64	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3F66

Deuteranopia (green-blind)

#1E3863

Tritanopia (blue-blind)

#00464B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #123d64;
/* rgb */ color: rgb(18, 61, 100);
/* oklch */ color: oklch(35.2% 0.082 249.7);

Tailwind

colors: {
  custom: {
    50: '#5e7290',
    500: '#123d64',
    950: '#000000',
  },
}

SCSS

$custom: #123d64;
$custom-light: #5e7290;
$custom-dark: #000000;

JSON

{
  "hex": "#123d64",
  "rgb": {
    "r": 18,
    "g": 61,
    "b": 100
  },
  "hsl": {
    "h": 208.537,
    "s": 69.492,
    "l": 23.137
  },
  "oklch": {
    "l": 0.35224,
    "c": 0.08243,
    "h": 249.7
  },
  "luminance": 0.04386
}

Semantic roles & 50–950 ramp

primary

#123D64

secondary

#9C6636

accent

#903BEC

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #123D64

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

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