#1F63A6#1F63A6

#1F63A6 is a mid, vivid cyan. Relative luminance 0.120; OKLCH L 49.3% C 0.126 H 251.8°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#1F63A6
RGB	rgb(31, 99, 166)
HSL	hsl(210, 69%, 39%)
HSV	hsv(210, 81%, 65%)
CMYK	cmyk(81.3%, 40.4%, 0%, 34.9%)
CIE-LAB	lab(41.16, 3.79, -41.95)
CIE-LCH	lch(41.16, 42.12, 275.17°)
OKLab	oklab(49.32% -0.0393 -0.1199)
OKLCH	oklch(49.32% 0.126 251.8)
XYZ	xyz(11.9072, 11.9667, 37.7512)
Luminance	0.1197 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F63A6 #A6621F

analogous

#1FA6A5 #1F63A6 #1F1FA6

triadic

#1F63A6 #A61F63 #63A61F

tetradic

#1F63A6 #A51FA6 #A6621F #1FA61F

square

#1F63A6 #A51FA6 #A6621F #1FA61F

split-complementary

#1F63A6 #A61F1F #A6A51F

monochromatic

#0C253F #154472 #1F63A6 #2B82D7 #5EA0E1

Accessibility & contrast

On white

6.19

#1F63A6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#1F63A6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F63A6

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F63A6	#FFFFFF	#000000	##FFFFFF
##1F63A6	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4268A9

Deuteranopia (green-blind)

#2C5CA5

Tritanopia (blue-blind)

#00737C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #1f63a6;
/* rgb */ color: rgb(31, 99, 166);
/* oklch */ color: oklch(49.3% 0.126 251.8);

Tailwind

colors: {
  custom: {
    50: '#718ec1',
    500: '#1f63a6',
    950: '#000000',
  },
}

SCSS

$custom: #1f63a6;
$custom-light: #718ec1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f63a6",
  "rgb": {
    "r": 31,
    "g": 99,
    "b": 166
  },
  "hsl": {
    "h": 209.778,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.4932,
    "c": 0.12617,
    "h": 251.8
  },
  "luminance": 0.11968
}

Semantic roles & 50–950 ramp

primary

#1F63A6

secondary

#C5905B

accent

#933CEB

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #1F63A6

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

Preview Lab → · Contrast checker → · Palette generator →