#1D5699#1D5699

#1D5699 is a mid, vivid cyan. Relative luminance 0.092; OKLCH L 45.3% C 0.124 H 255.0°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#1D5699
RGB	rgb(29, 86, 153)
HSL	hsl(212, 68%, 36%)
HSV	hsv(212, 81%, 60%)
CMYK	cmyk(81%, 43.8%, 0%, 40%)
CIE-LAB	lab(36.40, 6.86, -41.80)
CIE-LCH	lch(36.40, 42.36, 279.32°)
OKLab	oklab(45.34% -0.0321 -0.1197)
OKLCH	oklch(45.34% 0.124 255)
XYZ	xyz(9.5821, 9.2155, 31.4046)
Luminance	0.0922 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5699 #99601D

analogous

#1D9499 #1D5699 #221D99

triadic

#1D5699 #991D56 #56991D

tetradic

#1D5699 #991D94 #99601D #1D9922

square

#1D5699 #991D94 #99601D #1D9922

split-complementary

#1D5699 #99221D #94991D

monochromatic

#091C32 #133966 #1D5699 #2773CC #5293DE

Accessibility & contrast

On white

7.39

#1D5699 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#1D5699 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5699

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5699	#FFFFFF	#000000	##FFFFFF
##1D5699	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345C9C

Deuteranopia (green-blind)

#1D5098

Tritanopia (blue-blind)

#006670

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1d5699;
/* rgb */ color: rgb(29, 86, 153);
/* oklch */ color: oklch(45.3% 0.124 255.0);

Tailwind

colors: {
  custom: {
    50: '#6e85b7',
    500: '#1d5699',
    950: '#000000',
  },
}

SCSS

$custom: #1d5699;
$custom-light: #6e85b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5699",
  "rgb": {
    "r": 29,
    "g": 86,
    "b": 153
  },
  "hsl": {
    "h": 212.419,
    "s": 68.132,
    "l": 35.686
  },
  "oklch": {
    "l": 0.45337,
    "c": 0.12399,
    "h": 255
  },
  "luminance": 0.09217
}

Semantic roles & 50–950 ramp

primary

#1D5699

secondary

#C18D51

accent

#9B3DEB

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1D5699

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

Preview Lab → · Contrast checker → · Palette generator →