#1F64A6#1F64A6

#1F64A6 is a mid, vivid cyan. Relative luminance 0.122; OKLCH L 49.6% C 0.125 H 251.3°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#1F64A6
RGB	rgb(31, 100, 166)
HSL	hsl(209, 69%, 39%)
HSV	hsv(209, 81%, 65%)
CMYK	cmyk(81.3%, 39.8%, 0%, 34.9%)
CIE-LAB	lab(41.47, 3.16, -41.46)
CIE-LCH	lch(41.47, 41.58, 274.35°)
OKLab	oklab(49.56% -0.0402 -0.1184)
OKLCH	oklch(49.56% 0.125 251.3)
XYZ	xyz(12.0026, 12.1574, 37.7830)
Luminance	0.1216 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F64A6 #A6611F

analogous

#1FA6A4 #1F64A6 #1F21A6

triadic

#1F64A6 #A61F64 #64A61F

tetradic

#1F64A6 #A41FA6 #A6611F #21A61F

square

#1F64A6 #A41FA6 #A6611F #21A61F

split-complementary

#1F64A6 #A61F21 #A6A41F

monochromatic

#0C263F #154572 #1F64A6 #2B83D7 #5EA1E1

Accessibility & contrast

On white

6.12

#1F64A6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#1F64A6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F64A6

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F64A6	#FFFFFF	#000000	##FFFFFF
##1F64A6	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4468A9

Deuteranopia (green-blind)

#2E5CA5

Tritanopia (blue-blind)

#00747D

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #1f64a6;
/* rgb */ color: rgb(31, 100, 166);
/* oklch */ color: oklch(49.6% 0.125 251.3);

Tailwind

colors: {
  custom: {
    50: '#718fc1',
    500: '#1f64a6',
    950: '#000000',
  },
}

SCSS

$custom: #1f64a6;
$custom-light: #718fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f64a6",
  "rgb": {
    "r": 31,
    "g": 100,
    "b": 166
  },
  "hsl": {
    "h": 209.333,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.49556,
    "c": 0.12509,
    "h": 251.3
  },
  "luminance": 0.12159
}

Semantic roles & 50–950 ramp

primary

#1F64A6

secondary

#C58F5B

accent

#923CEB

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #1F64A6

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

Preview Lab → · Contrast checker → · Palette generator →