#1D618F#1D618F

#1D618F is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.4% C 0.099 H 243.1°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#1D618F
RGB	rgb(29, 97, 143)
HSL	hsl(204, 66%, 34%)
HSV	hsv(204, 80%, 56%)
CMYK	cmyk(79.7%, 32.2%, 0%, 43.9%)
CIE-LAB	lab(39.23, -4.10, -31.28)
CIE-LCH	lch(39.23, 31.55, 262.54°)
OKLab	oklab(47.37% -0.045 -0.0887)
OKLCH	oklch(47.37% 0.099 243.1)
XYZ	xyz(9.7374, 10.7926, 27.5513)
Luminance	0.1079 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D618F #8F4B1D

analogous

#1D8F84 #1D618F #1D288F

triadic

#1D618F #8F1D61 #618F1D

tetradic

#1D618F #841D8F #8F4B1D #288F1D

square

#1D618F #841D8F #8F4B1D #288F1D

split-complementary

#1D618F #8F1D28 #8F841D

monochromatic

#081C29 #133E5C #1D618F #2784C2 #4CA1DB

Accessibility & contrast

On white

6.65

#1D618F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#1D618F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D618F

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D618F	#FFFFFF	#000000	##FFFFFF
##1D618F	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: #1d618f;
/* rgb */ color: rgb(29, 97, 143);
/* oklch */ color: oklch(47.4% 0.099 243.1);

Tailwind

colors: {
  custom: {
    50: '#6b8db0',
    500: '#1d618f',
    950: '#000000',
  },
}

SCSS

$custom: #1d618f;
$custom-light: #6b8db0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d618f",
  "rgb": {
    "r": 29,
    "g": 97,
    "b": 143
  },
  "hsl": {
    "h": 204.211,
    "s": 66.279,
    "l": 33.725
  },
  "oklch": {
    "l": 0.47372,
    "c": 0.09946,
    "h": 243.1
  },
  "luminance": 0.10794
}

Semantic roles & 50–950 ramp

primary

#1D618F

secondary

#BD794B

accent

#833FE9

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1D618F

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

Preview Lab → · Contrast checker → · Palette generator →