#123F71#123F71

#123F71 is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.6% C 0.099 H 254.1°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#123F71
RGB	rgb(18, 63, 113)
HSL	hsl(212, 73%, 26%)
HSV	hsv(212, 84%, 44%)
CMYK	cmyk(84.1%, 44.2%, 0%, 55.7%)
CIE-LAB	lab(26.38, 4.77, -33.13)
CIE-LCH	lch(26.38, 33.47, 278.20°)
OKLab	oklab(36.64% -0.0271 -0.0948)
OKLCH	oklch(36.64% 0.099 254.1)
XYZ	xyz(5.0065, 4.8753, 16.2967)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123F71 #714412

analogous

#126E71 #123F71 #141271

triadic

#123F71 #71123F #3F7112

tetradic

#123F71 #71126E #714412 #127114

square

#123F71 #71126E #714412 #127114

split-complementary

#123F71 #711412 #6E7112

monochromatic

#040F1A #0A223C #123F71 #1A5CA6 #237ADB

Accessibility & contrast

On white

10.63

#123F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#123F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123F71

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123F71	#FFFFFF	#000000	##FFFFFF
##123F71	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264373

Deuteranopia (green-blind)

#153A70

Tritanopia (blue-blind)

#004B52

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #123f71;
/* rgb */ color: rgb(18, 63, 113);
/* oklch */ color: oklch(36.6% 0.099 254.1);

Tailwind

colors: {
  custom: {
    50: '#61739a',
    500: '#123f71',
    950: '#000000',
  },
}

SCSS

$custom: #123f71;
$custom-light: #61739a;
$custom-dark: #000000;

JSON

{
  "hex": "#123f71",
  "rgb": {
    "r": 18,
    "g": 63,
    "b": 113
  },
  "hsl": {
    "h": 211.579,
    "s": 72.519,
    "l": 25.686
  },
  "oklch": {
    "l": 0.36636,
    "c": 0.09863,
    "h": 254.1
  },
  "luminance": 0.04876
}

Semantic roles & 50–950 ramp

primary

#123F71

secondary

#A87237

accent

#9939EF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #123F71

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

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