#1B647C#1B647C

#1B647C is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.1% C 0.079 H 224.7°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#1B647C
RGB	rgb(27, 100, 124)
HSL	hsl(195, 64%, 30%)
HSV	hsv(195, 78%, 49%)
CMYK	cmyk(78.2%, 19.4%, 0%, 51.4%)
CIE-LAB	lab(39.24, -13.26, -19.74)
CIE-LCH	lch(39.24, 23.78, 236.12°)
OKLab	oklab(47.07% -0.056 -0.0553)
OKLCH	oklch(47.07% 0.079 224.7)
XYZ	xyz(8.6458, 10.8016, 20.6941)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B647C #7C331B

analogous

#1B7C63 #1B647C #1B347C

triadic

#1B647C #7C1B64 #647C1B

tetradic

#1B647C #631B7C #7C331B #347C1B

square

#1B647C #631B7C #7C331B #347C1B

split-complementary

#1B647C #7C1B34 #7C631B

monochromatic

#051419 #103B4A #1B647C #268DAE #3DAFD5

Accessibility & contrast

On white

6.64

#1B647C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#1B647C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B647C

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B647C	#FFFFFF	#000000	##FFFFFF
##1B647C	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)

#57627D

Deuteranopia (green-blind)

#4A587C

Tritanopia (blue-blind)

#006B6C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1b647c;
/* rgb */ color: rgb(27, 100, 124);
/* oklch */ color: oklch(47.1% 0.079 224.7);

Tailwind

colors: {
  custom: {
    50: '#6890a2',
    500: '#1b647c',
    950: '#000000',
  },
}

SCSS

$custom: #1b647c;
$custom-light: #6890a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1b647c",
  "rgb": {
    "r": 27,
    "g": 100,
    "b": 124
  },
  "hsl": {
    "h": 194.845,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.47074,
    "c": 0.0787,
    "h": 224.7
  },
  "luminance": 0.10803
}

Semantic roles & 50–950 ramp

primary

#1B647C

secondary

#B05E43

accent

#6A41E7

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0F

muted

#7A7D7E

Preview Lab

Preview with #1B647C

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

Preview Lab → · Contrast checker → · Palette generator →