#1C6591#1C6591

#1C6591 is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.5% C 0.099 H 240.5°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#1C6591
RGB	rgb(28, 101, 145)
HSL	hsl(203, 68%, 34%)
HSV	hsv(203, 81%, 57%)
CMYK	cmyk(80.7%, 30.3%, 0%, 43.1%)
CIE-LAB	lab(40.57, -5.90, -30.38)
CIE-LCH	lch(40.57, 30.94, 259.00°)
OKLab	oklab(48.46% -0.0487 -0.086)
OKLCH	oklch(48.46% 0.099 240.5)
XYZ	xyz(10.2414, 11.5973, 28.4813)
Luminance	0.1160 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C6591 #91481C

analogous

#1C9183 #1C6591 #1C2B91

triadic

#1C6591 #911C65 #65911C

tetradic

#1C6591 #831C91 #91481C #2B911C

square

#1C6591 #831C91 #91481C #2B911C

split-complementary

#1C6591 #911C2B #91831C

monochromatic

#081E2A #12415E #1C6591 #2689C4 #4BA6DC

Accessibility & contrast

On white

6.33

#1C6591 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#1C6591 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C6591

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C6591	#FFFFFF	#000000	##FFFFFF
##1C6591	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#506693

Deuteranopia (green-blind)

#405B90

Tritanopia (blue-blind)

#007074

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #1c6591;
/* rgb */ color: rgb(28, 101, 145);
/* oklch */ color: oklch(48.5% 0.099 240.5);

Tailwind

colors: {
  custom: {
    50: '#6c90b1',
    500: '#1c6591',
    950: '#000000',
  },
}

SCSS

$custom: #1c6591;
$custom-light: #6c90b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c6591",
  "rgb": {
    "r": 28,
    "g": 101,
    "b": 145
  },
  "hsl": {
    "h": 202.564,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.48459,
    "c": 0.09886,
    "h": 240.5
  },
  "luminance": 0.11599
}

Semantic roles & 50–950 ramp

primary

#1C6591

secondary

#BE764A

accent

#7E3DEB

background

#F7F8FA

surface

#EDF0F5

border

#C8CBCF

text

#080C10

muted

#7B7D7F

Preview Lab

Preview with #1C6591

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

Preview Lab → · Contrast checker → · Palette generator →