#1D599C#1D599C

#1D599C is a mid, vivid cyan. Relative luminance 0.098; OKLCH L 46.2% C 0.125 H 254.1°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#1D599C
RGB	rgb(29, 89, 156)
HSL	hsl(212, 69%, 36%)
HSV	hsv(212, 81%, 61%)
CMYK	cmyk(81.4%, 42.9%, 0%, 38.8%)
CIE-LAB	lab(37.49, 6.09, -41.86)
CIE-LCH	lch(37.49, 42.30, 278.28°)
OKLab	oklab(46.25% -0.0341 -0.1198)
OKLCH	oklch(46.25% 0.125 254.1)
XYZ	xyz(10.0776, 9.8050, 32.8075)
Luminance	0.0981 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D599C #9C601D

analogous

#1D999C #1D599C #211D9C

triadic

#1D599C #9C1D59 #599C1D

tetradic

#1D599C #9C1D99 #9C601D #1D9C21

square

#1D599C #9C1D99 #9C601D #1D9C21

split-complementary

#1D599C #9C211D #999C1D

monochromatic

#0A1E35 #133C68 #1D599C #2776D0 #5496DF

Accessibility & contrast

On white

7.09

#1D599C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#1D599C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D599C

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D599C	#FFFFFF	#000000	##FFFFFF
##1D599C	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385E9F

Deuteranopia (green-blind)

#20539B

Tritanopia (blue-blind)

#006973

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1d599c;
/* rgb */ color: rgb(29, 89, 156);
/* oklch */ color: oklch(46.2% 0.125 254.1);

Tailwind

colors: {
  custom: {
    50: '#6e87ba',
    500: '#1d599c',
    950: '#000000',
  },
}

SCSS

$custom: #1d599c;
$custom-light: #6e87ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1d599c",
  "rgb": {
    "r": 29,
    "g": 89,
    "b": 156
  },
  "hsl": {
    "h": 211.654,
    "s": 68.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.46247,
    "c": 0.12459,
    "h": 254.1
  },
  "luminance": 0.09806
}

Semantic roles & 50–950 ramp

primary

#1D599C

secondary

#C28D52

accent

#993CEB

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1D599C

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

Preview Lab → · Contrast checker → · Palette generator →