#1C5F89#1C5F89

#1C5F89 is a mid, moderate cyan. Relative luminance 0.102; OKLCH L 46.5% C 0.094 H 241.2°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#1C5F89
RGB	rgb(28, 95, 137)
HSL	hsl(203, 66%, 32%)
HSV	hsv(203, 80%, 54%)
CMYK	cmyk(79.6%, 30.7%, 0%, 46.3%)
CIE-LAB	lab(38.26, -5.28, -29.17)
CIE-LCH	lch(38.26, 29.64, 259.73°)
OKLab	oklab(46.5% -0.0455 -0.0826)
OKLCH	oklch(46.5% 0.094 241.2)
XYZ	xyz(9.0847, 10.2363, 25.1591)
Luminance	0.1024 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5F89 #89461C

analogous

#1C897C #1C5F89 #1C2989

triadic

#1C5F89 #891C5F #5F891C

tetradic

#1C5F89 #7C1C89 #89461C #29891C

square

#1C5F89 #7C1C89 #89461C #29891C

split-complementary

#1C5F89 #891C29 #897C1C

monochromatic

#071923 #123C56 #1C5F89 #2682BC #46A1D9

Accessibility & contrast

On white

6.89

#1C5F89 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#1C5F89 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C5F89

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5F89	#FFFFFF	#000000	##FFFFFF
##1C5F89	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B608B

Deuteranopia (green-blind)

#3C5688

Tritanopia (blue-blind)

#00696E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1c5f89;
/* rgb */ color: rgb(28, 95, 137);
/* oklch */ color: oklch(46.5% 0.094 241.2);

Tailwind

colors: {
  custom: {
    50: '#6a8cab',
    500: '#1c5f89',
    950: '#000000',
  },
}

SCSS

$custom: #1c5f89;
$custom-light: #6a8cab;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5f89",
  "rgb": {
    "r": 28,
    "g": 95,
    "b": 137
  },
  "hsl": {
    "h": 203.119,
    "s": 66.061,
    "l": 32.353
  },
  "oklch": {
    "l": 0.465,
    "c": 0.09431,
    "h": 241.2
  },
  "luminance": 0.10237
}

Semantic roles & 50–950 ramp

primary

#1C5F89

secondary

#BB7346

accent

#803FE9

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C10

muted

#7A7D7F

Preview Lab

Preview with #1C5F89

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

Preview Lab → · Contrast checker → · Palette generator →