#123F70#123F70

#123F70 is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.6% C 0.097 H 253.7°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#123F70
RGB	rgb(18, 63, 112)
HSL	hsl(211, 72%, 25%)
HSV	hsv(211, 84%, 44%)
CMYK	cmyk(83.9%, 43.7%, 0%, 56.1%)
CIE-LAB	lab(26.31, 4.35, -32.59)
CIE-LCH	lch(26.31, 32.88, 277.60°)
OKLab	oklab(36.57% -0.0273 -0.0933)
OKLCH	oklch(36.57% 0.097 253.7)
XYZ	xyz(4.9505, 4.8529, 16.0019)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123F70 #704312

analogous

#126E70 #123F70 #141270

triadic

#123F70 #70123F #3F7012

tetradic

#123F70 #70126E #704312 #127014

square

#123F70 #70126E #704312 #127014

split-complementary

#123F70 #701412 #6E7012

monochromatic

#040F1A #0A213B #123F70 #1A5DA5 #237AD9

Accessibility & contrast

On white

10.66

#123F70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#123F70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123F70

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123F70	#FFFFFF	#000000	##FFFFFF
##123F70	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274372

Deuteranopia (green-blind)

#163A6F

Tritanopia (blue-blind)

#004B52

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #123f70;
/* rgb */ color: rgb(18, 63, 112);
/* oklch */ color: oklch(36.6% 0.097 253.7);

Tailwind

colors: {
  custom: {
    50: '#617399',
    500: '#123f70',
    950: '#000000',
  },
}

SCSS

$custom: #123f70;
$custom-light: #617399;
$custom-dark: #000000;

JSON

{
  "hex": "#123f70",
  "rgb": {
    "r": 18,
    "g": 63,
    "b": 112
  },
  "hsl": {
    "h": 211.277,
    "s": 72.308,
    "l": 25.49
  },
  "oklch": {
    "l": 0.36565,
    "c": 0.0972,
    "h": 253.7
  },
  "luminance": 0.04853
}

Semantic roles & 50–950 ramp

primary

#123F70

secondary

#A77137

accent

#9839EF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #123F70

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

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