#1C6583#1C6583

#1C6583 is a mid, moderate cyan. Relative luminance 0.112; OKLCH L 47.7% C 0.084 H 230.2°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#1C6583
RGB	rgb(28, 101, 131)
HSL	hsl(197, 65%, 31%)
HSV	hsv(197, 79%, 51%)
CMYK	cmyk(78.6%, 22.9%, 0%, 48.6%)
CIE-LAB	lab(39.90, -11.15, -22.97)
CIE-LCH	lch(39.90, 25.54, 244.10°)
OKLab	oklab(47.71% -0.0537 -0.0646)
OKLCH	oklch(47.71% 0.084 230.2)
XYZ	xyz(9.2276, 11.1918, 23.1422)
Luminance	0.1119 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C6583 #833A1C

analogous

#1C836D #1C6583 #1C3183

triadic

#1C6583 #831C65 #65831C

tetradic

#1C6583 #6D1C83 #833A1C #31831C

square

#1C6583 #6D1C83 #833A1C #31831C

split-complementary

#1C6583 #831C31 #836D1C

monochromatic

#06171E #113E51 #1C6583 #278CB5 #43ACD7

Accessibility & contrast

On white

6.48

#1C6583 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#1C6583 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C6583

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C6583	#FFFFFF	#000000	##FFFFFF
##1C6583	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566484

Deuteranopia (green-blind)

#485A83

Tritanopia (blue-blind)

#006D6F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1c6583;
/* rgb */ color: rgb(28, 101, 131);
/* oklch */ color: oklch(47.7% 0.084 230.2);

Tailwind

colors: {
  custom: {
    50: '#6990a7',
    500: '#1c6583',
    950: '#000000',
  },
}

SCSS

$custom: #1c6583;
$custom-light: #6990a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c6583",
  "rgb": {
    "r": 28,
    "g": 101,
    "b": 131
  },
  "hsl": {
    "h": 197.476,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.47709,
    "c": 0.08404,
    "h": 230.2
  },
  "luminance": 0.11193
}

Semantic roles & 50–950 ramp

primary

#1C6583

secondary

#B66645

accent

#7140E8

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1C6583

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

Preview Lab → · Contrast checker → · Palette generator →