#1C618B#1C618B

#1C618B is a mid, moderate cyan. Relative luminance 0.107; OKLCH L 47.1% C 0.095 H 240.5°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#1C618B
RGB	rgb(28, 97, 139)
HSL	hsl(203, 66%, 33%)
HSV	hsv(203, 80%, 55%)
CMYK	cmyk(79.9%, 30.2%, 0%, 45.5%)
CIE-LAB	lab(39.00, -5.75, -29.22)
CIE-LCH	lch(39.00, 29.78, 258.87°)
OKLab	oklab(47.12% -0.0468 -0.0827)
OKLCH	oklch(47.12% 0.095 240.5)
XYZ	xyz(9.4119, 10.6592, 25.9825)
Luminance	0.1066 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C618B #8B461C

analogous

#1C8B7E #1C618B #1C298B

triadic

#1C618B #8B1C61 #618B1C

tetradic

#1C618B #7E1C8B #8B461C #298B1C

square

#1C618B #7E1C8B #8B461C #298B1C

split-complementary

#1C618B #8B1C29 #8B7E1C

monochromatic

#071A25 #123D58 #1C618B #2685BE #47A3DA

Accessibility & contrast

On white

6.70

#1C618B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#1C618B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C618B

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C618B	#FFFFFF	#000000	##FFFFFF
##1C618B	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D628D

Deuteranopia (green-blind)

#3E578A

Tritanopia (blue-blind)

#006B70

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1c618b;
/* rgb */ color: rgb(28, 97, 139);
/* oklch */ color: oklch(47.1% 0.095 240.5);

Tailwind

colors: {
  custom: {
    50: '#6a8dad',
    500: '#1c618b',
    950: '#000000',
  },
}

SCSS

$custom: #1c618b;
$custom-light: #6a8dad;
$custom-dark: #000000;

JSON

{
  "hex": "#1c618b",
  "rgb": {
    "r": 28,
    "g": 97,
    "b": 139
  },
  "hsl": {
    "h": 202.703,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.47117,
    "c": 0.09506,
    "h": 240.5
  },
  "luminance": 0.1066
}

Semantic roles & 50–950 ramp

primary

#1C618B

secondary

#BC7347

accent

#7F3EE9

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1C618B

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

Preview Lab → · Contrast checker → · Palette generator →