#1F5B83#1F5B83

#1F5B83 is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.2% C 0.089 H 242.0°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#1F5B83
RGB	rgb(31, 91, 131)
HSL	hsl(204, 62%, 32%)
HSV	hsv(204, 76%, 51%)
CMYK	cmyk(76.3%, 30.5%, 0%, 48.6%)
CIE-LAB	lab(36.76, -4.71, -27.87)
CIE-LCH	lch(36.76, 28.26, 260.42°)
OKLab	oklab(45.24% -0.0418 -0.0788)
OKLCH	oklch(45.24% 0.089 242)
XYZ	xyz(8.4013, 9.4112, 22.8421)
Luminance	0.0941 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5B83 #83471F

analogous

#1F8379 #1F5B83 #1F2983

triadic

#1F5B83 #831F5B #5B831F

tetradic

#1F5B83 #791F83 #83471F #29831F

square

#1F5B83 #791F83 #83471F #29831F

split-complementary

#1F5B83 #831F29 #83791F

monochromatic

#081620 #133952 #1F5B83 #2B7DB4 #499CD4

Accessibility & contrast

On white

7.29

#1F5B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#1F5B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5B83

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5B83	#FFFFFF	#000000	##FFFFFF
##1F5B83	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485C85

Deuteranopia (green-blind)

#3B5282

Tritanopia (blue-blind)

#006569

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1f5b83;
/* rgb */ color: rgb(31, 91, 131);
/* oklch */ color: oklch(45.2% 0.089 242.0);

Tailwind

colors: {
  custom: {
    50: '#6989a7',
    500: '#1f5b83',
    950: '#000000',
  },
}

SCSS

$custom: #1f5b83;
$custom-light: #6989a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5b83",
  "rgb": {
    "r": 31,
    "g": 91,
    "b": 131
  },
  "hsl": {
    "h": 204,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.45236,
    "c": 0.08925,
    "h": 242
  },
  "luminance": 0.09412
}

Semantic roles & 50–950 ramp

primary

#1F5B83

secondary

#B67448

accent

#8443E5

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1F5B83

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

Preview Lab → · Contrast checker → · Palette generator →