#1D559C#1D559C

#1D559C is a mid, vivid cyan. Relative luminance 0.092; OKLCH L 45.3% C 0.129 H 256.3°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#1D559C
RGB	rgb(29, 85, 156)
HSL	hsl(214, 69%, 36%)
HSV	hsv(214, 81%, 61%)
CMYK	cmyk(81.4%, 45.5%, 0%, 38.8%)
CIE-LAB	lab(36.29, 8.72, -43.79)
CIE-LCH	lch(36.29, 44.65, 281.26°)
OKLab	oklab(45.31% -0.0307 -0.1256)
OKLCH	oklch(45.31% 0.129 256.3)
XYZ	xyz(9.7537, 9.1573, 32.6995)
Luminance	0.0916 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D559C #9C641D

analogous

#1D959C #1D559C #241D9C

triadic

#1D559C #9C1D55 #559C1D

tetradic

#1D559C #9C1D95 #9C641D #1D9C24

square

#1D559C #9C1D95 #9C641D #1D9C24

split-complementary

#1D559C #9C241D #959C1D

monochromatic

#0A1D35 #133968 #1D559C #2771D0 #5491DF

Accessibility & contrast

On white

7.42

#1D559C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#1D559C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D559C

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D559C	#FFFFFF	#000000	##FFFFFF
##1D559C	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305C9F

Deuteranopia (green-blind)

#14509B

Tritanopia (blue-blind)

#006671

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1d559c;
/* rgb */ color: rgb(29, 85, 156);
/* oklch */ color: oklch(45.3% 0.129 256.3);

Tailwind

colors: {
  custom: {
    50: '#6e84ba',
    500: '#1d559c',
    950: '#000000',
  },
}

SCSS

$custom: #1d559c;
$custom-light: #6e84ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1d559c",
  "rgb": {
    "r": 29,
    "g": 85,
    "b": 156
  },
  "hsl": {
    "h": 213.543,
    "s": 68.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45312,
    "c": 0.12929,
    "h": 256.3
  },
  "luminance": 0.09159
}

Semantic roles & 50–950 ramp

primary

#1D559C

secondary

#C29152

accent

#9E3CEB

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1D559C

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

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