#1D559D#1D559D

#1D559D is a mid, vivid cyan. Relative luminance 0.092; OKLCH L 45.4% C 0.131 H 256.5°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#1D559D
RGB	rgb(29, 85, 157)
HSL	hsl(214, 69%, 36%)
HSV	hsv(214, 82%, 62%)
CMYK	cmyk(81.5%, 45.9%, 0%, 38.4%)
CIE-LAB	lab(36.35, 9.12, -44.28)
CIE-LCH	lch(36.35, 45.21, 281.64°)
OKLab	oklab(45.38% -0.0305 -0.1271)
OKLCH	oklch(45.38% 0.131 256.5)
XYZ	xyz(9.8387, 9.1913, 33.1473)
Luminance	0.0919 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D559D #9D651D

analogous

#1D959D #1D559D #251D9D

triadic

#1D559D #9D1D55 #559D1D

tetradic

#1D559D #9D1D95 #9D651D #1D9D25

square

#1D559D #9D1D95 #9D651D #1D9D25

split-complementary

#1D559D #9D251D #959D1D

monochromatic

#0A1D36 #133969 #1D559D #2771D1 #5592E0

Accessibility & contrast

On white

7.40

#1D559D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#1D559D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D559D

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D559D	#FFFFFF	#000000	##FFFFFF
##1D559D	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5CA0

Deuteranopia (green-blind)

#12509C

Tritanopia (blue-blind)

#006671

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1d559d;
/* rgb */ color: rgb(29, 85, 157);
/* oklch */ color: oklch(45.4% 0.131 256.5);

Tailwind

colors: {
  custom: {
    50: '#6f84ba',
    500: '#1d559d',
    950: '#000000',
  },
}

SCSS

$custom: #1d559d;
$custom-light: #6f84ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1d559d",
  "rgb": {
    "r": 29,
    "g": 85,
    "b": 157
  },
  "hsl": {
    "h": 213.75,
    "s": 68.817,
    "l": 36.471
  },
  "oklch": {
    "l": 0.45383,
    "c": 0.13066,
    "h": 256.5
  },
  "luminance": 0.09193
}

Semantic roles & 50–950 ramp

primary

#1D559D

secondary

#C39253

accent

#9F3CEC

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #1D559D

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

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