#1D559E#1D559E

#1D559E is a mid, vivid cyan. Relative luminance 0.092; OKLCH L 45.5% C 0.132 H 256.7°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#1D559E
RGB	rgb(29, 85, 158)
HSL	hsl(214, 69%, 37%)
HSV	hsv(214, 82%, 62%)
CMYK	cmyk(81.6%, 46.2%, 0%, 38%)
CIE-LAB	lab(36.42, 9.52, -44.78)
CIE-LCH	lch(36.42, 45.78, 282.00°)
OKLab	oklab(45.45% -0.0303 -0.1285)
OKLCH	oklch(45.45% 0.132 256.7)
XYZ	xyz(9.9245, 9.2256, 33.5988)
Luminance	0.0923 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D559E #9E661D

analogous

#1D969E #1D559E #251D9E

triadic

#1D559E #9E1D55 #559E1D

tetradic

#1D559E #9E1D96 #9E661D #1D9E25

square

#1D559E #9E1D96 #9E661D #1D9E25

split-complementary

#1D559E #9E251D #969E1D

monochromatic

#0A1D37 #14396A #1D559E #2671D2 #5692E0

Accessibility & contrast

On white

7.38

#1D559E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#1D559E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D559E

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D559E	#FFFFFF	#000000	##FFFFFF
##1D559E	1.00	7.38	2.85	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5CA1

Deuteranopia (green-blind)

#0F509D

Tritanopia (blue-blind)

#006672

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1d559e;
/* rgb */ color: rgb(29, 85, 158);
/* oklch */ color: oklch(45.5% 0.132 256.7);

Tailwind

colors: {
  custom: {
    50: '#6f84bb',
    500: '#1d559e',
    950: '#000000',
  },
}

SCSS

$custom: #1d559e;
$custom-light: #6f84bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1d559e",
  "rgb": {
    "r": 29,
    "g": 85,
    "b": 158
  },
  "hsl": {
    "h": 213.953,
    "s": 68.984,
    "l": 36.667
  },
  "oklch": {
    "l": 0.45454,
    "c": 0.13204,
    "h": 256.7
  },
  "luminance": 0.09227
}

Semantic roles & 50–950 ramp

primary

#1D559E

secondary

#C39354

accent

#9F3CEC

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #1D559E

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

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