#1C548D#1C548D

#1C548D is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 44.0% C 0.110 H 252.2°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#1C548D
RGB	rgb(28, 84, 141)
HSL	hsl(210, 67%, 33%)
HSV	hsv(210, 80%, 55%)
CMYK	cmyk(80.1%, 40.4%, 0%, 44.7%)
CIE-LAB	lab(35.02, 3.28, -36.73)
CIE-LCH	lch(35.02, 36.87, 275.10°)
OKLab	oklab(44.02% -0.0337 -0.1049)
OKLCH	oklch(44.02% 0.11 252.2)
XYZ	xyz(8.4551, 8.5096, 26.3910)
Luminance	0.0851 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C548D #8D551C

analogous

#1C8C8D #1C548D #1C1C8D

triadic

#1C548D #8D1C54 #548D1C

tetradic

#1C548D #8D1C8C #8D551C #1C8D1C

square

#1C548D #8D1C8C #8D551C #1C8D1C

split-complementary

#1C548D #8D1C1C #8C8D1C

monochromatic

#081727 #12365A #1C548D #2672C0 #4991DB

Accessibility & contrast

On white

7.77

#1C548D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#1C548D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C548D

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C548D	#FFFFFF	#000000	##FFFFFF
##1C548D	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39588F

Deuteranopia (green-blind)

#274E8C

Tritanopia (blue-blind)

#006269

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1c548d;
/* rgb */ color: rgb(28, 84, 141);
/* oklch */ color: oklch(44.0% 0.110 252.2);

Tailwind

colors: {
  custom: {
    50: '#6a83af',
    500: '#1c548d',
    950: '#000000',
  },
}

SCSS

$custom: #1c548d;
$custom-light: #6a83af;
$custom-dark: #000000;

JSON

{
  "hex": "#1c548d",
  "rgb": {
    "r": 28,
    "g": 84,
    "b": 141
  },
  "hsl": {
    "h": 210.265,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.44022,
    "c": 0.11019,
    "h": 252.2
  },
  "luminance": 0.08511
}

Semantic roles & 50–950 ramp

primary

#1C548D

secondary

#BD8348

accent

#953EEA

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1C548D

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

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