#123758#123758

#123758 is a dark, moderate cyan. Relative luminance 0.036; OKLCH L 32.8% C 0.072 H 248.8°. Best body text is #FFFFFF at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#123758
RGB	rgb(18, 55, 88)
HSL	hsl(208, 66%, 21%)
HSV	hsv(208, 80%, 35%)
CMYK	cmyk(79.5%, 37.5%, 0%, 65.5%)
CIE-LAB	lab(22.18, -0.20, -23.62)
CIE-LCH	lch(22.18, 23.62, 269.52°)
OKLab	oklab(32.85% -0.026 -0.0671)
OKLCH	oklch(32.85% 0.072 248.8)
XYZ	xyz(3.3764, 3.5652, 9.7408)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123758 #583312

analogous

#125856 #123758 #121458

triadic

#123758 #581237 #375812

tetradic

#123758 #561258 #583312 #145812

square

#123758 #561258 #583312 #145812

split-complementary

#123758 #581214 #585612

monochromatic

#051019 #081725 #123758 #1C578B #2777BE

Accessibility & contrast

On white

12.26

#123758 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#123758 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123758

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123758	#FFFFFF	#000000	##FFFFFF
##123758	1.00	12.26	1.71	12.26
#FFFFFF	12.26	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283959

Deuteranopia (green-blind)

#1E3257

Tritanopia (blue-blind)

#003F43

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #123758;
/* rgb */ color: rgb(18, 55, 88);
/* oklch */ color: oklch(32.8% 0.072 248.8);

Tailwind

colors: {
  custom: {
    50: '#5b6d87',
    500: '#123758',
    950: '#000000',
  },
}

SCSS

$custom: #123758;
$custom-light: #5b6d87;
$custom-dark: #000000;

JSON

{
  "hex": "#123758",
  "rgb": {
    "r": 18,
    "g": 55,
    "b": 88
  },
  "hsl": {
    "h": 208.286,
    "s": 66.038,
    "l": 20.784
  },
  "oklch": {
    "l": 0.32848,
    "c": 0.072,
    "h": 248.8
  },
  "luminance": 0.03566
}

Semantic roles & 50–950 ramp

primary

#123758

secondary

#916035

accent

#8F3FE9

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #123758

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

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