#1D559F#1D559F

#1D559F is a mid, vivid cyan. Relative luminance 0.093; OKLCH L 45.5% C 0.133 H 257.0°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#1D559F
RGB	rgb(29, 85, 159)
HSL	hsl(214, 69%, 37%)
HSV	hsv(214, 82%, 62%)
CMYK	cmyk(81.8%, 46.5%, 0%, 37.6%)
CIE-LAB	lab(36.48, 9.92, -45.27)
CIE-LCH	lch(36.48, 46.35, 282.36°)
OKLab	oklab(45.53% -0.0301 -0.13)
OKLCH	oklch(45.53% 0.133 257)
XYZ	xyz(10.0109, 9.2602, 34.0539)
Luminance	0.0926 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D559F #9F671D

analogous

#1D969F #1D559F #261D9F

triadic

#1D559F #9F1D55 #559F1D

tetradic

#1D559F #9F1D96 #9F671D #1D9F26

square

#1D559F #9F1D96 #9F671D #1D9F26

split-complementary

#1D559F #9F261D #969F1D

monochromatic

#0A1E37 #14396B #1D559F #2671D3 #5692E0

Accessibility & contrast

On white

7.36

#1D559F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#1D559F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D559F

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D559F	#FFFFFF	#000000	##FFFFFF
##1D559F	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5CA2

Deuteranopia (green-blind)

#0C509E

Tritanopia (blue-blind)

#006772

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1d559f;
/* rgb */ color: rgb(29, 85, 159);
/* oklch */ color: oklch(45.5% 0.133 257.0);

Tailwind

colors: {
  custom: {
    50: '#6f84bc',
    500: '#1d559f',
    950: '#000000',
  },
}

SCSS

$custom: #1d559f;
$custom-light: #6f84bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d559f",
  "rgb": {
    "r": 29,
    "g": 85,
    "b": 159
  },
  "hsl": {
    "h": 214.154,
    "s": 69.149,
    "l": 36.863
  },
  "oklch": {
    "l": 0.45526,
    "c": 0.13341,
    "h": 257
  },
  "luminance": 0.09261
}

Semantic roles & 50–950 ramp

primary

#1D559F

secondary

#C49454

accent

#A03CEC

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1D559F

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

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