#1F83A8#1F83A8

#1F83A8 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.2% C 0.103 H 228.6°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#1F83A8
RGB	rgb(31, 131, 168)
HSL	hsl(196, 69%, 39%)
HSV	hsv(196, 82%, 66%)
CMYK	cmyk(81.5%, 22%, 0%, 34.1%)
CIE-LAB	lab(51.09, -14.58, -27.49)
CIE-LCH	lch(51.09, 31.12, 242.06°)
OKLab	oklab(57.21% -0.0682 -0.0773)
OKLCH	oklch(57.21% 0.103 228.6)
XYZ	xyz(15.7463, 19.3491, 39.9430)
Luminance	0.1935 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F83A8 #A8441F

analogous

#1FA889 #1F83A8 #1F3FA8

triadic

#1F83A8 #A81F83 #83A81F

tetradic

#1F83A8 #891FA8 #A8441F #3FA81F

square

#1F83A8 #891FA8 #A8441F #3FA81F

split-complementary

#1F83A8 #A81F3F #A8891F

monochromatic

#0C3241 #155B74 #1F83A8 #2CAAD8 #60BFE2

Accessibility & contrast

On white

4.31

#1F83A8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#1F83A8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F83A8

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F83A8	#FFFFFF	#000000	##000000
##1F83A8	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7081AA

Deuteranopia (green-blind)

#5E74A7

Tritanopia (blue-blind)

#008D8F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #1f83a8;
/* rgb */ color: rgb(31, 131, 168);
/* oklch */ color: oklch(57.2% 0.103 228.6);

Tailwind

colors: {
  custom: {
    50: '#73a7c2',
    500: '#1f83a8',
    950: '#000000',
  },
}

SCSS

$custom: #1f83a8;
$custom-light: #73a7c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f83a8",
  "rgb": {
    "r": 31,
    "g": 131,
    "b": 168
  },
  "hsl": {
    "h": 196.204,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.57213,
    "c": 0.10315,
    "h": 228.6
  },
  "luminance": 0.19351
}

Semantic roles & 50–950 ramp

primary

#1F83A8

secondary

#C6795D

accent

#6C3CEC

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1F83A8

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

Preview Lab → · Contrast checker → · Palette generator →