#1D599D#1D599D

#1D599D is a mid, vivid cyan. Relative luminance 0.098; OKLCH L 46.3% C 0.126 H 254.4°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#1D599D
RGB	rgb(29, 89, 157)
HSL	hsl(212, 69%, 36%)
HSV	hsv(212, 82%, 62%)
CMYK	cmyk(81.5%, 43.3%, 0%, 38.4%)
CIE-LAB	lab(37.55, 6.49, -42.36)
CIE-LCH	lch(37.55, 42.85, 278.71°)
OKLab	oklab(46.32% -0.0338 -0.1213)
OKLCH	oklch(46.32% 0.126 254.4)
XYZ	xyz(10.1626, 9.8391, 33.2553)
Luminance	0.0984 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D599D #9D611D

analogous

#1D999D #1D599D #211D9D

triadic

#1D599D #9D1D59 #599D1D

tetradic

#1D599D #9D1D99 #9D611D #1D9D21

square

#1D599D #9D1D99 #9D611D #1D9D21

split-complementary

#1D599D #9D211D #999D1D

monochromatic

#0A1E36 #133C69 #1D599D #2776D1 #5596E0

Accessibility & contrast

On white

7.08

#1D599D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#1D599D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D599D

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D599D	#FFFFFF	#000000	##FFFFFF
##1D599D	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375FA0

Deuteranopia (green-blind)

#1F539C

Tritanopia (blue-blind)

#006973

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1d599d;
/* rgb */ color: rgb(29, 89, 157);
/* oklch */ color: oklch(46.3% 0.126 254.4);

Tailwind

colors: {
  custom: {
    50: '#6e87ba',
    500: '#1d599d',
    950: '#000000',
  },
}

SCSS

$custom: #1d599d;
$custom-light: #6e87ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1d599d",
  "rgb": {
    "r": 29,
    "g": 89,
    "b": 157
  },
  "hsl": {
    "h": 211.875,
    "s": 68.817,
    "l": 36.471
  },
  "oklch": {
    "l": 0.46315,
    "c": 0.12594,
    "h": 254.4
  },
  "luminance": 0.0984
}

Semantic roles & 50–950 ramp

primary

#1D599D

secondary

#C38E53

accent

#993CEC

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #1D599D

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

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