#1C538D#1C538D

#1C538D is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.8% C 0.111 H 252.8°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#1C538D
RGB	rgb(28, 83, 141)
HSL	hsl(211, 67%, 33%)
HSV	hsv(211, 80%, 55%)
CMYK	cmyk(80.1%, 41.1%, 0%, 44.7%)
CIE-LAB	lab(34.71, 3.93, -37.22)
CIE-LCH	lch(34.71, 37.43, 276.03°)
OKLab	oklab(43.78% -0.0328 -0.1064)
OKLCH	oklch(43.78% 0.111 252.8)
XYZ	xyz(8.3781, 8.3555, 26.3653)
Luminance	0.0836 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C538D #8D561C

analogous

#1C8B8D #1C538D #1D1C8D

triadic

#1C538D #8D1C53 #538D1C

tetradic

#1C538D #8D1C8B #8D561C #1C8D1D

square

#1C538D #8D1C8B #8D561C #1C8D1D

split-complementary

#1C538D #8D1D1C #8B8D1C

monochromatic

#081727 #12355A #1C538D #2671C0 #4990DB

Accessibility & contrast

On white

7.86

#1C538D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#1C538D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C538D

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C538D	#FFFFFF	#000000	##FFFFFF
##1C538D	1.00	7.86	2.67	7.86
#FFFFFF	7.86	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37578F

Deuteranopia (green-blind)

#244D8C

Tritanopia (blue-blind)

#006169

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1c538d;
/* rgb */ color: rgb(28, 83, 141);
/* oklch */ color: oklch(43.8% 0.111 252.8);

Tailwind

colors: {
  custom: {
    50: '#6a82af',
    500: '#1c538d',
    950: '#000000',
  },
}

SCSS

$custom: #1c538d;
$custom-light: #6a82af;
$custom-dark: #000000;

JSON

{
  "hex": "#1c538d",
  "rgb": {
    "r": 28,
    "g": 83,
    "b": 141
  },
  "hsl": {
    "h": 210.796,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.4378,
    "c": 0.11131,
    "h": 252.8
  },
  "luminance": 0.08356
}

Semantic roles & 50–950 ramp

primary

#1C538D

secondary

#BD8448

accent

#963EEA

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1C538D

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

Preview Lab → · Contrast checker → · Palette generator →