#1B647D#1B647D

#1B647D is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.1% C 0.080 H 225.7°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#1B647D
RGB	rgb(27, 100, 125)
HSL	hsl(195, 64%, 30%)
HSV	hsv(195, 78%, 49%)
CMYK	cmyk(78.4%, 20%, 0%, 51%)
CIE-LAB	lab(39.29, -12.89, -20.28)
CIE-LCH	lch(39.29, 24.03, 237.56°)
OKLab	oklab(47.12% -0.0555 -0.0569)
OKLCH	oklch(47.12% 0.08 225.7)
XYZ	xyz(8.7093, 10.8270, 21.0289)
Luminance	0.1083 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B647D #7D341B

analogous

#1B7D65 #1B647D #1B337D

triadic

#1B647D #7D1B64 #647D1B

tetradic

#1B647D #651B7D #7D341B #337D1B

square

#1B647D #651B7D #7D341B #337D1B

split-complementary

#1B647D #7D1B33 #7D651B

monochromatic

#051419 #103C4B #1B647D #268CAF #3DAED5

Accessibility & contrast

On white

6.63

#1B647D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#1B647D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B647D

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B647D	#FFFFFF	#000000	##FFFFFF
##1B647D	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56627E

Deuteranopia (green-blind)

#49587D

Tritanopia (blue-blind)

#006B6C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1b647d;
/* rgb */ color: rgb(27, 100, 125);
/* oklch */ color: oklch(47.1% 0.080 225.7);

Tailwind

colors: {
  custom: {
    50: '#6890a2',
    500: '#1b647d',
    950: '#000000',
  },
}

SCSS

$custom: #1b647d;
$custom-light: #6890a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1b647d",
  "rgb": {
    "r": 27,
    "g": 100,
    "b": 125
  },
  "hsl": {
    "h": 195.306,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.47123,
    "c": 0.07951,
    "h": 225.7
  },
  "luminance": 0.10828
}

Semantic roles & 50–950 ramp

primary

#1B647D

secondary

#B15F43

accent

#6B40E7

background

#F6F8FA

surface

#EBF0F3

border

#C6CBCD

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1B647D

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

Preview Lab → · Contrast checker → · Palette generator →