#1F649F#1F649F

#1F649F is a mid, moderate cyan. Relative luminance 0.119; OKLCH L 49.1% C 0.116 H 248.8°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#1F649F
RGB	rgb(31, 100, 159)
HSL	hsl(208, 67%, 37%)
HSV	hsv(208, 81%, 62%)
CMYK	cmyk(80.5%, 37.1%, 0%, 37.6%)
CIE-LAB	lab(41.07, 0.44, -37.94)
CIE-LCH	lch(41.07, 37.95, 270.66°)
OKLab	oklab(49.12% -0.042 -0.1081)
OKLCH	oklch(49.12% 0.116 248.8)
XYZ	xyz(11.3779, 11.9075, 34.4929)
Luminance	0.1191 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F649F #9F5A1F

analogous

#1F9F9A #1F649F #1F249F

triadic

#1F649F #9F1F64 #649F1F

tetradic

#1F649F #9A1F9F #9F5A1F #249F1F

square

#1F649F #9A1F9F #9F5A1F #249F1F

split-complementary

#1F649F #9F1F24 #9F9A1F

monochromatic

#0B2439 #15446C #1F649F #2984D2 #5AA1DF

Accessibility & contrast

On white

6.21

#1F649F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#1F649F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F649F

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F649F	#FFFFFF	#000000	##FFFFFF
##1F649F	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4867A1

Deuteranopia (green-blind)

#355C9E

Tritanopia (blue-blind)

#00727A

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #1f649f;
/* rgb */ color: rgb(31, 100, 159);
/* oklch */ color: oklch(49.1% 0.116 248.8);

Tailwind

colors: {
  custom: {
    50: '#6f8fbc',
    500: '#1f649f',
    950: '#000000',
  },
}

SCSS

$custom: #1f649f;
$custom-light: #6f8fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1f649f",
  "rgb": {
    "r": 31,
    "g": 100,
    "b": 159
  },
  "hsl": {
    "h": 207.656,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.49116,
    "c": 0.11601,
    "h": 248.8
  },
  "luminance": 0.11909
}

Semantic roles & 50–950 ramp

primary

#1F649F

secondary

#C38957

accent

#8D3EEA

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #1F649F

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

Preview Lab → · Contrast checker → · Palette generator →