#1D59A1#1D59A1

#1D59A1 is a mid, vivid cyan. Relative luminance 0.100; OKLCH L 46.6% C 0.131 H 255.5°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#1D59A1
RGB	rgb(29, 89, 161)
HSL	hsl(213, 69%, 37%)
HSV	hsv(213, 82%, 63%)
CMYK	cmyk(82%, 44.7%, 0%, 36.9%)
CIE-LAB	lab(37.80, 8.08, -44.35)
CIE-LCH	lch(37.80, 45.08, 280.32°)
OKLab	oklab(46.59% -0.033 -0.1272)
OKLCH	oklch(46.59% 0.131 255.5)
XYZ	xyz(10.5097, 9.9779, 35.0833)
Luminance	0.0998 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D59A1 #A1651D

analogous

#1D9BA1 #1D59A1 #231DA1

triadic

#1D59A1 #A11D59 #59A11D

tetradic

#1D59A1 #A11D9B #A1651D #1DA123

square

#1D59A1 #A11D9B #A1651D #1DA123

split-complementary

#1D59A1 #A1231D #9BA11D

monochromatic

#0A2039 #143C6D #1D59A1 #2676D5 #5896E1

Accessibility & contrast

On white

7.01

#1D59A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#1D59A1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D59A1

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D59A1	#FFFFFF	#000000	##FFFFFF
##1D59A1	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345FA4

Deuteranopia (green-blind)

#1853A0

Tritanopia (blue-blind)

#006A75

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1d59a1;
/* rgb */ color: rgb(29, 89, 161);
/* oklch */ color: oklch(46.6% 0.131 255.5);

Tailwind

colors: {
  custom: {
    50: '#6f87bd',
    500: '#1d59a1',
    950: '#000000',
  },
}

SCSS

$custom: #1d59a1;
$custom-light: #6f87bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d59a1",
  "rgb": {
    "r": 29,
    "g": 89,
    "b": 161
  },
  "hsl": {
    "h": 212.727,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.46591,
    "c": 0.13138,
    "h": 255.5
  },
  "luminance": 0.09979
}

Semantic roles & 50–950 ramp

primary

#1D59A1

secondary

#C49255

accent

#9C3CEC

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1D59A1

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

Preview Lab → · Contrast checker → · Palette generator →