#1F648D#1F648D

#1F648D is a mid, moderate cyan. Relative luminance 0.113; OKLCH L 48.1% C 0.094 H 239.6°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#1F648D
RGB	rgb(31, 100, 141)
HSL	hsl(202, 64%, 34%)
HSV	hsv(202, 78%, 55%)
CMYK	cmyk(78%, 29.1%, 0%, 44.7%)
CIE-LAB	lab(40.13, -6.45, -28.66)
CIE-LCH	lch(40.13, 29.38, 257.32°)
OKLab	oklab(48.06% -0.0476 -0.081)
OKLCH	oklch(48.06% 0.094 239.6)
XYZ	xyz(9.9281, 11.3276, 26.8573)
Luminance	0.1133 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F648D #8D481F

analogous

#1F8D7F #1F648D #1F2D8D

triadic

#1F648D #8D1F64 #648D1F

tetradic

#1F648D #7F1F8D #8D481F #2D8D1F

square

#1F648D #7F1F8D #8D481F #2D8D1F

split-complementary

#1F648D #8D1F2D #8D7F1F

monochromatic

#091D29 #14405B #1F648D #2A88BF #4EA5D8

Accessibility & contrast

On white

6.43

#1F648D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#1F648D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F648D

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F648D	#FFFFFF	#000000	##FFFFFF
##1F648D	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51648F

Deuteranopia (green-blind)

#425A8C

Tritanopia (blue-blind)

#006E72

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #1f648d;
/* rgb */ color: rgb(31, 100, 141);
/* oklch */ color: oklch(48.1% 0.094 239.6);

Tailwind

colors: {
  custom: {
    50: '#6c90ae',
    500: '#1f648d',
    950: '#000000',
  },
}

SCSS

$custom: #1f648d;
$custom-light: #6c90ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1f648d",
  "rgb": {
    "r": 31,
    "g": 100,
    "b": 141
  },
  "hsl": {
    "h": 202.364,
    "s": 63.953,
    "l": 33.725
  },
  "oklch": {
    "l": 0.48064,
    "c": 0.09398,
    "h": 239.6
  },
  "luminance": 0.11329
}

Semantic roles & 50–950 ramp

primary

#1F648D

secondary

#BB764D

accent

#7F41E7

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1F648D

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

Preview Lab → · Contrast checker → · Palette generator →