#1C618F#1C618F

#1C618F is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.3% C 0.100 H 242.9°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#1C618F
RGB	rgb(28, 97, 143)
HSL	hsl(204, 67%, 34%)
HSV	hsv(204, 80%, 56%)
CMYK	cmyk(80.4%, 32.2%, 0%, 43.9%)
CIE-LAB	lab(39.20, -4.22, -31.32)
CIE-LCH	lch(39.20, 31.60, 262.33°)
OKLab	oklab(47.35% -0.0455 -0.0888)
OKLCH	oklch(47.35% 0.1 242.9)
XYZ	xyz(9.7096, 10.7783, 27.5500)
Luminance	0.1078 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C618F #8F4A1C

analogous

#1C8F83 #1C618F #1C278F

triadic

#1C618F #8F1C61 #618F1C

tetradic

#1C618F #831C8F #8F4A1C #278F1C

square

#1C618F #831C8F #8F4A1C #278F1C

split-complementary

#1C618F #8F1C27 #8F831C

monochromatic

#081C29 #123E5C #1C618F #2684C2 #4AA1DC

Accessibility & contrast

On white

6.65

#1C618F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#1C618F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C618F

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C618F	#FFFFFF	#000000	##FFFFFF
##1C618F	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C6291

Deuteranopia (green-blind)

#3C588E

Tritanopia (blue-blind)

#006C71

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1c618f;
/* rgb */ color: rgb(28, 97, 143);
/* oklch */ color: oklch(47.3% 0.100 242.9);

Tailwind

colors: {
  custom: {
    50: '#6b8db0',
    500: '#1c618f',
    950: '#000000',
  },
}

SCSS

$custom: #1c618f;
$custom-light: #6b8db0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c618f",
  "rgb": {
    "r": 28,
    "g": 97,
    "b": 143
  },
  "hsl": {
    "h": 204,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.47346,
    "c": 0.0998,
    "h": 242.9
  },
  "luminance": 0.10779
}

Semantic roles & 50–950 ramp

primary

#1C618F

secondary

#BE7849

accent

#833EEA

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1C618F

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

Preview Lab → · Contrast checker → · Palette generator →