#1B618D#1B618D

#1B618D is a mid, moderate cyan. Relative luminance 0.107; OKLCH L 47.2% C 0.098 H 241.5°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#1B618D
RGB	rgb(27, 97, 141)
HSL	hsl(203, 68%, 33%)
HSV	hsv(203, 81%, 55%)
CMYK	cmyk(80.9%, 31.2%, 0%, 44.7%)
CIE-LAB	lab(39.08, -5.10, -30.31)
CIE-LCH	lch(39.08, 30.74, 260.45°)
OKLab	oklab(47.21% -0.0466 -0.0859)
OKLCH	oklch(47.21% 0.098 241.5)
XYZ	xyz(9.5325, 10.7043, 26.7579)
Luminance	0.1071 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B618D #8D471B

analogous

#1B8D80 #1B618D #1B288D

triadic

#1B618D #8D1B61 #618D1B

tetradic

#1B618D #801B8D #8D471B #288D1B

square

#1B618D #801B8D #8D471B #288D1B

split-complementary

#1B618D #8D1B28 #8D801B

monochromatic

#071A26 #113E5A #1B618D #2584C0 #47A2DC

Accessibility & contrast

On white

6.69

#1B618D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#1B618D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B618D

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B618D	#FFFFFF	#000000	##FFFFFF
##1B618D	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C628F

Deuteranopia (green-blind)

#3D578C

Tritanopia (blue-blind)

#006C71

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1b618d;
/* rgb */ color: rgb(27, 97, 141);
/* oklch */ color: oklch(47.2% 0.098 241.5);

Tailwind

colors: {
  custom: {
    50: '#6a8dae',
    500: '#1b618d',
    950: '#000000',
  },
}

SCSS

$custom: #1b618d;
$custom-light: #6a8dae;
$custom-dark: #000000;

JSON

{
  "hex": "#1b618d",
  "rgb": {
    "r": 27,
    "g": 97,
    "b": 141
  },
  "hsl": {
    "h": 203.158,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.47205,
    "c": 0.09774,
    "h": 241.5
  },
  "luminance": 0.10705
}

Semantic roles & 50–950 ramp

primary

#1B618D

secondary

#BD7446

accent

#803DEB

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1B618D

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

Preview Lab → · Contrast checker → · Palette generator →