#1B618C#1B618C

#1B618C is a mid, moderate cyan. Relative luminance 0.107; OKLCH L 47.1% C 0.097 H 240.9°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#1B618C
RGB	rgb(27, 97, 140)
HSL	hsl(203, 68%, 33%)
HSV	hsv(203, 81%, 55%)
CMYK	cmyk(80.7%, 30.7%, 0%, 45.1%)
CIE-LAB	lab(39.03, -5.48, -29.79)
CIE-LCH	lch(39.03, 30.29, 259.57°)
OKLab	oklab(47.15% -0.0469 -0.0844)
OKLCH	oklch(47.15% 0.097 240.9)
XYZ	xyz(9.4584, 10.6747, 26.3678)
Luminance	0.1068 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B618C #8C461B

analogous

#1B8C7F #1B618C #1B288C

triadic

#1B618C #8C1B61 #618C1B

tetradic

#1B618C #7F1B8C #8C461B #288C1B

square

#1B618C #7F1B8C #8C461B #288C1B

split-complementary

#1B618C #8C1B28 #8C7F1B

monochromatic

#071A25 #113D59 #1B618C #2585BF #46A3DB

Accessibility & contrast

On white

6.70

#1B618C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#1B618C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B618C

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B618C	#FFFFFF	#000000	##FFFFFF
##1B618C	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D628E

Deuteranopia (green-blind)

#3D578B

Tritanopia (blue-blind)

#006C70

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1b618c;
/* rgb */ color: rgb(27, 97, 140);
/* oklch */ color: oklch(47.1% 0.097 240.9);

Tailwind

colors: {
  custom: {
    50: '#6a8dae',
    500: '#1b618c',
    950: '#000000',
  },
}

SCSS

$custom: #1b618c;
$custom-light: #6a8dae;
$custom-dark: #000000;

JSON

{
  "hex": "#1b618c",
  "rgb": {
    "r": 27,
    "g": 97,
    "b": 140
  },
  "hsl": {
    "h": 202.832,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.47148,
    "c": 0.09657,
    "h": 240.9
  },
  "luminance": 0.10676
}

Semantic roles & 50–950 ramp

primary

#1B618C

secondary

#BD7346

accent

#7F3DEB

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1B618C

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

Preview Lab → · Contrast checker → · Palette generator →