#1F649D#1F649D

#1F649D is a mid, moderate cyan. Relative luminance 0.118; OKLCH L 49.0% C 0.113 H 248.0°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#1F649D
RGB	rgb(31, 100, 157)
HSL	hsl(207, 67%, 37%)
HSV	hsv(207, 80%, 62%)
CMYK	cmyk(80.3%, 36.3%, 0%, 38.4%)
CIE-LAB	lab(40.96, -0.34, -36.93)
CIE-LCH	lch(40.96, 36.93, 269.47°)
OKLab	oklab(48.99% -0.0426 -0.1052)
OKLCH	oklch(48.99% 0.113 248)
XYZ	xyz(11.2057, 11.8386, 33.5862)
Luminance	0.1184 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F649D #9D581F

analogous

#1F9D97 #1F649D #1F259D

triadic

#1F649D #9D1F64 #649D1F

tetradic

#1F649D #971F9D #9D581F #259D1F

square

#1F649D #971F9D #9D581F #259D1F

split-complementary

#1F649D #9D1F25 #9D971F

monochromatic

#0B2337 #15436A #1F649D #2985D0 #58A2DE

Accessibility & contrast

On white

6.24

#1F649D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#1F649D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F649D

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F649D	#FFFFFF	#000000	##FFFFFF
##1F649D	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49679F

Deuteranopia (green-blind)

#375B9C

Tritanopia (blue-blind)

#007279

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #1f649d;
/* rgb */ color: rgb(31, 100, 157);
/* oklch */ color: oklch(49.0% 0.113 248.0);

Tailwind

colors: {
  custom: {
    50: '#6f8fba',
    500: '#1f649d',
    950: '#000000',
  },
}

SCSS

$custom: #1f649d;
$custom-light: #6f8fba;
$custom-dark: #000000;

JSON

{
  "hex": "#1f649d",
  "rgb": {
    "r": 31,
    "g": 100,
    "b": 157
  },
  "hsl": {
    "h": 207.143,
    "s": 67.021,
    "l": 36.863
  },
  "oklch": {
    "l": 0.48993,
    "c": 0.11346,
    "h": 248
  },
  "luminance": 0.1184
}

Semantic roles & 50–950 ramp

primary

#1F649D

secondary

#C28756

accent

#8C3EEA

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080C11

muted

#7B7D80

Preview Lab

Preview with #1F649D

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

Preview Lab → · Contrast checker → · Palette generator →