#1F5B82#1F5B82

#1F5B82 is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.2% C 0.088 H 241.4°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#1F5B82
RGB	rgb(31, 91, 130)
HSL	hsl(204, 61%, 32%)
HSV	hsv(204, 76%, 51%)
CMYK	cmyk(76.2%, 30%, 0%, 49%)
CIE-LAB	lab(36.71, -5.08, -27.33)
CIE-LCH	lch(36.71, 27.80, 259.46°)
OKLab	oklab(45.18% -0.0422 -0.0773)
OKLCH	oklch(45.18% 0.088 241.4)
XYZ	xyz(8.3339, 9.3842, 22.4869)
Luminance	0.0939 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5B82 #82461F

analogous

#1F8278 #1F5B82 #1F2A82

triadic

#1F5B82 #821F5B #5B821F

tetradic

#1F5B82 #781F82 #82461F #2A821F

square

#1F5B82 #781F82 #82461F #2A821F

split-complementary

#1F5B82 #821F2A #82781F

monochromatic

#07161F #133851 #1F5B82 #2B7EB3 #489CD3

Accessibility & contrast

On white

7.30

#1F5B82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#1F5B82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5B82

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5B82	#FFFFFF	#000000	##FFFFFF
##1F5B82	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#495C84

Deuteranopia (green-blind)

#3B5281

Tritanopia (blue-blind)

#006569

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1f5b82;
/* rgb */ color: rgb(31, 91, 130);
/* oklch */ color: oklch(45.2% 0.088 241.4);

Tailwind

colors: {
  custom: {
    50: '#6989a6',
    500: '#1f5b82',
    950: '#000000',
  },
}

SCSS

$custom: #1f5b82;
$custom-light: #6989a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5b82",
  "rgb": {
    "r": 31,
    "g": 91,
    "b": 130
  },
  "hsl": {
    "h": 203.636,
    "s": 61.491,
    "l": 31.569
  },
  "oklch": {
    "l": 0.4518,
    "c": 0.08806,
    "h": 241.4
  },
  "luminance": 0.09385
}

Semantic roles & 50–950 ramp

primary

#1F5B82

secondary

#B57348

accent

#8343E5

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1F5B82

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

Preview Lab → · Contrast checker → · Palette generator →