#1C518A#1C518A

#1C518A is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.1% C 0.109 H 253.1°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#1C518A
RGB	rgb(28, 81, 138)
HSL	hsl(211, 66%, 33%)
HSV	hsv(211, 80%, 54%)
CMYK	cmyk(79.7%, 41.3%, 0%, 45.9%)
CIE-LAB	lab(33.91, 4.05, -36.67)
CIE-LCH	lch(33.91, 36.89, 276.30°)
OKLab	oklab(43.1% -0.0317 -0.1048)
OKLCH	oklch(43.1% 0.109 253.1)
XYZ	xyz(8.0070, 7.9658, 25.1554)
Luminance	0.0797 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C518A #8A551C

analogous

#1C888A #1C518A #1E1C8A

triadic

#1C518A #8A1C51 #518A1C

tetradic

#1C518A #8A1C88 #8A551C #1C8A1E

square

#1C518A #8A1C88 #8A551C #1C8A1E

split-complementary

#1C518A #8A1E1C #888A1C

monochromatic

#071524 #123357 #1C518A #266FBD #478EDA

Accessibility & contrast

On white

8.10

#1C518A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#1C518A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C518A

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C518A	#FFFFFF	#000000	##FFFFFF
##1C518A	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36558C

Deuteranopia (green-blind)

#234B89

Tritanopia (blue-blind)

#005F66

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1c518a;
/* rgb */ color: rgb(28, 81, 138);
/* oklch */ color: oklch(43.1% 0.109 253.1);

Tailwind

colors: {
  custom: {
    50: '#6a81ac',
    500: '#1c518a',
    950: '#000000',
  },
}

SCSS

$custom: #1c518a;
$custom-light: #6a81ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1c518a",
  "rgb": {
    "r": 28,
    "g": 81,
    "b": 138
  },
  "hsl": {
    "h": 211.091,
    "s": 66.265,
    "l": 32.549
  },
  "oklch": {
    "l": 0.43096,
    "c": 0.10946,
    "h": 253.1
  },
  "luminance": 0.07967
}

Semantic roles & 50–950 ramp

primary

#1C518A

secondary

#BB8346

accent

#973FE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1C518A

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

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