#1F59A1#1F59A1

#1F59A1 is a mid, vivid cyan. Relative luminance 0.100; OKLCH L 46.6% C 0.131 H 255.9°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#1F59A1
RGB	rgb(31, 89, 161)
HSL	hsl(213, 68%, 38%)
HSV	hsv(213, 81%, 63%)
CMYK	cmyk(80.7%, 44.7%, 0%, 36.9%)
CIE-LAB	lab(37.86, 8.29, -44.26)
CIE-LCH	lch(37.86, 45.03, 280.61°)
OKLab	oklab(46.65% -0.0319 -0.1269)
OKLCH	oklch(46.65% 0.131 255.9)
XYZ	xyz(10.5681, 10.0080, 35.0861)
Luminance	0.1001 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F59A1 #A1671F

analogous

#1F9AA1 #1F59A1 #261FA1

triadic

#1F59A1 #A11F59 #59A11F

tetradic

#1F59A1 #A11F9A #A1671F #1FA126

square

#1F59A1 #A11F9A #A1671F #1FA126

split-complementary

#1F59A1 #A1261F #9AA11F

monochromatic

#0B203A #153D6E #1F59A1 #2975D4 #5B96DF

Accessibility & contrast

On white

7.00

#1F59A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#1F59A1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F59A1

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F59A1	#FFFFFF	#000000	##FFFFFF
##1F59A1	1.00	7.00	3.00	7.00
#FFFFFF	7.00	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345FA4

Deuteranopia (green-blind)

#1954A0

Tritanopia (blue-blind)

#006A75

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1f59a1;
/* rgb */ color: rgb(31, 89, 161);
/* oklch */ color: oklch(46.6% 0.131 255.9);

Tailwind

colors: {
  custom: {
    50: '#7087bd',
    500: '#1f59a1',
    950: '#000000',
  },
}

SCSS

$custom: #1f59a1;
$custom-light: #7087bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1f59a1",
  "rgb": {
    "r": 31,
    "g": 89,
    "b": 161
  },
  "hsl": {
    "h": 213.231,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.46648,
    "c": 0.13082,
    "h": 255.9
  },
  "luminance": 0.10009
}

Semantic roles & 50–950 ramp

primary

#1F59A1

secondary

#C49458

accent

#9D3DEB

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1F59A1

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

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