#1F83A1#1F83A1

#1F83A1 is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 56.9% C 0.098 H 223.4°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#1F83A1
RGB	rgb(31, 131, 161)
HSL	hsl(194, 68%, 38%)
HSV	hsv(194, 81%, 63%)
CMYK	cmyk(80.7%, 18.6%, 0%, 36.9%)
CIE-LAB	lab(50.80, -17.05, -23.89)
CIE-LCH	lch(50.80, 29.35, 234.48°)
OKLab	oklab(56.88% -0.0709 -0.067)
OKLCH	oklch(56.88% 0.098 223.4)
XYZ	xyz(15.1117, 19.0952, 36.6006)
Luminance	0.1910 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F83A1 #A13D1F

analogous

#1FA17E #1F83A1 #1F42A1

triadic

#1F83A1 #A11F83 #83A11F

tetradic

#1F83A1 #7E1FA1 #A13D1F #42A11F

square

#1F83A1 #7E1FA1 #A13D1F #42A11F

split-complementary

#1F83A1 #A11F42 #A17E1F

monochromatic

#0B2F3A #15596E #1F83A1 #29ADD4 #5BC1DF

Accessibility & contrast

On white

4.36

#1F83A1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#1F83A1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F83A1

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F83A1	#FFFFFF	#000000	##000000
##1F83A1	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7280A3

Deuteranopia (green-blind)

#6174A1

Tritanopia (blue-blind)

#008C8D

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1f83a1;
/* rgb */ color: rgb(31, 131, 161);
/* oklch */ color: oklch(56.9% 0.098 223.4);

Tailwind

colors: {
  custom: {
    50: '#71a7bd',
    500: '#1f83a1',
    950: '#000000',
  },
}

SCSS

$custom: #1f83a1;
$custom-light: #71a7bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1f83a1",
  "rgb": {
    "r": 31,
    "g": 131,
    "b": 161
  },
  "hsl": {
    "h": 193.846,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.56879,
    "c": 0.09758,
    "h": 223.4
  },
  "luminance": 0.19097
}

Semantic roles & 50–950 ramp

primary

#1F83A1

secondary

#C47158

accent

#653DEB

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1F83A1

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

Preview Lab → · Contrast checker → · Palette generator →