#1F647A#1F647A

#1F647A is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.1% C 0.075 H 223.3°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#1F647A
RGB	rgb(31, 100, 122)
HSL	hsl(195, 59%, 30%)
HSV	hsv(195, 75%, 48%)
CMYK	cmyk(74.6%, 18%, 0%, 52.2%)
CIE-LAB	lab(39.26, -13.42, -18.49)
CIE-LCH	lch(39.26, 22.85, 234.03°)
OKLab	oklab(47.09% -0.0548 -0.0517)
OKLCH	oklch(47.09% 0.075 223.3)
XYZ	xyz(8.6337, 10.8098, 20.0401)
Luminance	0.1081 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F647A #7A351F

analogous

#1F7A62 #1F647A #1F377A

triadic

#1F647A #7A1F64 #647A1F

tetradic

#1F647A #621F7A #7A351F #377A1F

square

#1F647A #621F7A #7A351F #377A1F

split-complementary

#1F647A #7A1F37 #7A621F

monochromatic

#061418 #133C49 #1F647A #2B8CAB #44AECF

Accessibility & contrast

On white

6.64

#1F647A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#1F647A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F647A

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F647A	#FFFFFF	#000000	##FFFFFF
##1F647A	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57627B

Deuteranopia (green-blind)

#4B597A

Tritanopia (blue-blind)

#006B6B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1f647a;
/* rgb */ color: rgb(31, 100, 122);
/* oklch */ color: oklch(47.1% 0.075 223.3);

Tailwind

colors: {
  custom: {
    50: '#6890a0',
    500: '#1f647a',
    950: '#000000',
  },
}

SCSS

$custom: #1f647a;
$custom-light: #6890a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f647a",
  "rgb": {
    "r": 31,
    "g": 100,
    "b": 122
  },
  "hsl": {
    "h": 194.505,
    "s": 59.477,
    "l": 30
  },
  "oklch": {
    "l": 0.47085,
    "c": 0.07537,
    "h": 223.3
  },
  "luminance": 0.10811
}

Semantic roles & 50–950 ramp

primary

#1F647A

secondary

#AD6047

accent

#6B45E3

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #1F647A

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

Preview Lab → · Contrast checker → · Palette generator →