#123D66#123D66

#123D66 is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.4% C 0.085 H 250.8°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#123D66
RGB	rgb(18, 61, 102)
HSL	hsl(209, 70%, 24%)
HSV	hsv(209, 82%, 40%)
CMYK	cmyk(82.4%, 40.2%, 0%, 60%)
CIE-LAB	lab(25.03, 1.53, -28.23)
CIE-LCH	lch(25.03, 28.27, 273.10°)
OKLab	oklab(35.36% -0.0281 -0.0805)
OKLCH	oklch(35.36% 0.085 250.8)
XYZ	xyz(4.3156, 4.4249, 13.1944)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123D66 #663B12

analogous

#126665 #123D66 #121366

triadic

#123D66 #66123D #3D6612

tetradic

#123D66 #651266 #663B12 #136612

square

#123D66 #651266 #663B12 #136612

split-complementary

#123D66 #661213 #666512

monochromatic

#05101A #091E32 #123D66 #1B5C9A #247BCE

Accessibility & contrast

On white

11.14

#123D66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#123D66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123D66

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123D66	#FFFFFF	#000000	##FFFFFF
##123D66	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A4068

Deuteranopia (green-blind)

#1D3865

Tritanopia (blue-blind)

#00474C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #123d66;
/* rgb */ color: rgb(18, 61, 102);
/* oklch */ color: oklch(35.4% 0.085 250.8);

Tailwind

colors: {
  custom: {
    50: '#5e7292',
    500: '#123d66',
    950: '#000000',
  },
}

SCSS

$custom: #123d66;
$custom-light: #5e7292;
$custom-dark: #000000;

JSON

{
  "hex": "#123d66",
  "rgb": {
    "r": 18,
    "g": 61,
    "b": 102
  },
  "hsl": {
    "h": 209.286,
    "s": 70,
    "l": 23.529
  },
  "oklch": {
    "l": 0.35359,
    "c": 0.08526,
    "h": 250.8
  },
  "luminance": 0.04425
}

Semantic roles & 50–950 ramp

primary

#123D66

secondary

#9E6936

accent

#923BED

background

#F5F6F9

surface

#EAECF1

border

#C6C7CB

text

#05070D

muted

#797A7E

Preview Lab

Preview with #123D66

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

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