#1F63A0#1F63A0

#1F63A0 is a mid, moderate cyan. Relative luminance 0.118; OKLCH L 48.9% C 0.118 H 249.8°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#1F63A0
RGB	rgb(31, 99, 160)
HSL	hsl(208, 68%, 37%)
HSV	hsv(208, 81%, 63%)
CMYK	cmyk(80.6%, 38.1%, 0%, 37.3%)
CIE-LAB	lab(40.82, 1.45, -38.94)
CIE-LCH	lch(40.82, 38.96, 272.14°)
OKLab	oklab(48.94% -0.0409 -0.111)
OKLCH	oklch(48.94% 0.118 249.8)
XYZ	xyz(11.3697, 11.7517, 34.9200)
Luminance	0.1175 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F63A0 #A05C1F

analogous

#1FA09C #1F63A0 #1F23A0

triadic

#1F63A0 #A01F63 #63A01F

tetradic

#1F63A0 #9C1FA0 #A05C1F #23A01F

square

#1F63A0 #9C1FA0 #A05C1F #23A01F

split-complementary

#1F63A0 #A01F23 #A09C1F

monochromatic

#0B2439 #15436D #1F63A0 #2983D3 #5AA0DF

Accessibility & contrast

On white

6.27

#1F63A0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#1F63A0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F63A0

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F63A0	#FFFFFF	#000000	##FFFFFF
##1F63A0	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4667A2

Deuteranopia (green-blind)

#325B9F

Tritanopia (blue-blind)

#00727A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #1f63a0;
/* rgb */ color: rgb(31, 99, 160);
/* oklch */ color: oklch(48.9% 0.118 249.8);

Tailwind

colors: {
  custom: {
    50: '#708fbc',
    500: '#1f63a0',
    950: '#000000',
  },
}

SCSS

$custom: #1f63a0;
$custom-light: #708fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1f63a0",
  "rgb": {
    "r": 31,
    "g": 99,
    "b": 160
  },
  "hsl": {
    "h": 208.372,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.48938,
    "c": 0.11833,
    "h": 249.8
  },
  "luminance": 0.11753
}

Semantic roles & 50–950 ramp

primary

#1F63A0

secondary

#C38A58

accent

#8F3DEA

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #1F63A0

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

Preview Lab → · Contrast checker → · Palette generator →