#1F64A7#1F64A7

#1F64A7 is a mid, vivid cyan. Relative luminance 0.122; OKLCH L 49.6% C 0.126 H 251.6°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#1F64A7
RGB	rgb(31, 100, 167)
HSL	hsl(210, 69%, 39%)
HSV	hsv(210, 81%, 65%)
CMYK	cmyk(81.4%, 40.1%, 0%, 34.5%)
CIE-LAB	lab(41.52, 3.55, -41.96)
CIE-LCH	lch(41.52, 42.11, 274.83°)
OKLab	oklab(49.62% -0.0399 -0.1199)
OKLCH	oklch(49.62% 0.126 251.6)
XYZ	xyz(12.0947, 12.1942, 38.2680)
Luminance	0.1220 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F64A7 #A7621F

analogous

#1FA7A6 #1F64A7 #1F20A7

triadic

#1F64A7 #A71F64 #64A71F

tetradic

#1F64A7 #A61FA7 #A7621F #20A71F

square

#1F64A7 #A61FA7 #A7621F #20A71F

split-complementary

#1F64A7 #A71F20 #A7A61F

monochromatic

#0C2640 #154573 #1F64A7 #2B83D8 #5FA1E1

Accessibility & contrast

On white

6.11

#1F64A7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#1F64A7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F64A7

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F64A7	#FFFFFF	#000000	##FFFFFF
##1F64A7	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4469AA

Deuteranopia (green-blind)

#2D5CA6

Tritanopia (blue-blind)

#00747D

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #1f64a7;
/* rgb */ color: rgb(31, 100, 167);
/* oklch */ color: oklch(49.6% 0.126 251.6);

Tailwind

colors: {
  custom: {
    50: '#718fc1',
    500: '#1f64a7',
    950: '#000000',
  },
}

SCSS

$custom: #1f64a7;
$custom-light: #718fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f64a7",
  "rgb": {
    "r": 31,
    "g": 100,
    "b": 167
  },
  "hsl": {
    "h": 209.559,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.4962,
    "c": 0.1264,
    "h": 251.6
  },
  "luminance": 0.12196
}

Semantic roles & 50–950 ramp

primary

#1F64A7

secondary

#C6905C

accent

#933CEC

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #1F64A7

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

Preview Lab → · Contrast checker → · Palette generator →