#1F5380#1F5380

#1F5380 is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.0% C 0.093 H 248.1°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#1F5380
RGB	rgb(31, 83, 128)
HSL	hsl(208, 61%, 31%)
HSV	hsv(208, 76%, 50%)
CMYK	cmyk(75.8%, 35.2%, 0%, 49.8%)
CIE-LAB	lab(34.06, -0.80, -30.29)
CIE-LCH	lch(34.06, 30.30, 268.49°)
OKLab	oklab(43.05% -0.0346 -0.086)
OKLCH	oklch(43.05% 0.093 248.1)
XYZ	xyz(7.5531, 8.0355, 21.5708)
Luminance	0.0804 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5380 #804C1F

analogous

#1F807C #1F5380 #1F2280

triadic

#1F5380 #801F53 #53801F

tetradic

#1F5380 #7C1F80 #804C1F #22801F

square

#1F5380 #7C1F80 #804C1F #22801F

split-complementary

#1F5380 #801F22 #807C1F

monochromatic

#07131D #13334F #1F5380 #2B73B1 #4792D2

Accessibility & contrast

On white

8.05

#1F5380 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#1F5380 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5380

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5380	#FFFFFF	#000000	##FFFFFF
##1F5380	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E5582

Deuteranopia (green-blind)

#314C7F

Tritanopia (blue-blind)

#005E63

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1f5380;
/* rgb */ color: rgb(31, 83, 128);
/* oklch */ color: oklch(43.0% 0.093 248.1);

Tailwind

colors: {
  custom: {
    50: '#6983a5',
    500: '#1f5380',
    950: '#000000',
  },
}

SCSS

$custom: #1f5380;
$custom-light: #6983a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5380",
  "rgb": {
    "r": 31,
    "g": 83,
    "b": 128
  },
  "hsl": {
    "h": 207.835,
    "s": 61.006,
    "l": 31.176
  },
  "oklch": {
    "l": 0.43048,
    "c": 0.0927,
    "h": 248.1
  },
  "luminance": 0.08036
}

Semantic roles & 50–950 ramp

primary

#1F5380

secondary

#B37A48

accent

#8E44E4

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1F5380

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

Preview Lab → · Contrast checker → · Palette generator →