#1C548C#1C548C

#1C548C is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 44.0% C 0.109 H 251.8°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#1C548C
RGB	rgb(28, 84, 140)
HSL	hsl(210, 67%, 33%)
HSV	hsv(210, 80%, 55%)
CMYK	cmyk(80%, 40%, 0%, 45.1%)
CIE-LAB	lab(34.96, 2.88, -36.21)
CIE-LCH	lch(34.96, 36.33, 274.55°)
OKLab	oklab(43.96% -0.034 -0.1034)
OKLCH	oklch(43.96% 0.109 251.8)
XYZ	xyz(8.3811, 8.4800, 26.0009)
Luminance	0.0848 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C548C #8C541C

analogous

#1C8C8C #1C548C #1C1C8C

triadic

#1C548C #8C1C54 #548C1C

tetradic

#1C548C #8C1C8C #8C541C #1C8C1C

square

#1C548C #8C1C8C #8C541C #1C8C1C

split-complementary

#1C548C #8C1C1C #8C8C1C

monochromatic

#081726 #123559 #1C548C #2673BF #4891DA

Accessibility & contrast

On white

7.79

#1C548C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#1C548C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C548C

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C548C	#FFFFFF	#000000	##FFFFFF
##1C548C	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39588E

Deuteranopia (green-blind)

#284E8B

Tritanopia (blue-blind)

#006169

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1c548c;
/* rgb */ color: rgb(28, 84, 140);
/* oklch */ color: oklch(44.0% 0.109 251.8);

Tailwind

colors: {
  custom: {
    50: '#6a83ae',
    500: '#1c548c',
    950: '#000000',
  },
}

SCSS

$custom: #1c548c;
$custom-light: #6a83ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1c548c",
  "rgb": {
    "r": 28,
    "g": 84,
    "b": 140
  },
  "hsl": {
    "h": 210,
    "s": 66.667,
    "l": 32.941
  },
  "oklch": {
    "l": 0.43956,
    "c": 0.10883,
    "h": 251.8
  },
  "luminance": 0.08481
}

Semantic roles & 50–950 ramp

primary

#1C548C

secondary

#BC8248

accent

#943EEA

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1C548C

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

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