#1F648C#1F648C

#1F648C is a mid, moderate cyan. Relative luminance 0.113; OKLCH L 48.0% C 0.093 H 238.9°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#1F648C
RGB	rgb(31, 100, 140)
HSL	hsl(202, 64%, 34%)
HSV	hsv(202, 78%, 55%)
CMYK	cmyk(77.9%, 28.6%, 0%, 45.1%)
CIE-LAB	lab(40.08, -6.83, -28.13)
CIE-LCH	lch(40.08, 28.95, 256.36°)
OKLab	oklab(48.01% -0.0479 -0.0795)
OKLCH	oklch(48.01% 0.093 238.9)
XYZ	xyz(9.8540, 11.2979, 26.4672)
Luminance	0.1130 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F648C #8C471F

analogous

#1F8C7D #1F648C #1F2D8C

triadic

#1F648C #8C1F64 #648C1F

tetradic

#1F648C #7D1F8C #8C471F #2D8C1F

square

#1F648C #7D1F8C #8C471F #2D8C1F

split-complementary

#1F648C #8C1F2D #8C7D1F

monochromatic

#091C28 #14405A #1F648C #2A88BE #4EA5D8

Accessibility & contrast

On white

6.44

#1F648C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#1F648C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F648C

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F648C	#FFFFFF	#000000	##FFFFFF
##1F648C	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51648E

Deuteranopia (green-blind)

#425A8B

Tritanopia (blue-blind)

#006E72

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1f648c;
/* rgb */ color: rgb(31, 100, 140);
/* oklch */ color: oklch(48.0% 0.093 238.9);

Tailwind

colors: {
  custom: {
    50: '#6c90ae',
    500: '#1f648c',
    950: '#000000',
  },
}

SCSS

$custom: #1f648c;
$custom-light: #6c90ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1f648c",
  "rgb": {
    "r": 31,
    "g": 100,
    "b": 140
  },
  "hsl": {
    "h": 202.018,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.48009,
    "c": 0.09284,
    "h": 238.9
  },
  "luminance": 0.11299
}

Semantic roles & 50–950 ramp

primary

#1F648C

secondary

#BB754C

accent

#7E41E7

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1F648C

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

Preview Lab → · Contrast checker → · Palette generator →