#1B657D#1B657D

#1B657D is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.4% C 0.079 H 224.4°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#1B657D
RGB	rgb(27, 101, 125)
HSL	hsl(195, 64%, 30%)
HSV	hsv(195, 78%, 49%)
CMYK	cmyk(78.4%, 19.2%, 0%, 51%)
CIE-LAB	lab(39.61, -13.47, -19.78)
CIE-LCH	lch(39.61, 23.93, 235.74°)
OKLab	oklab(47.39% -0.0566 -0.0554)
OKLCH	oklch(47.39% 0.079 224.4)
XYZ	xyz(8.8058, 11.0200, 21.0610)
Luminance	0.1102 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B657D #7D331B

analogous

#1B7D64 #1B657D #1B347D

triadic

#1B657D #7D1B65 #657D1B

tetradic

#1B657D #641B7D #7D331B #347D1B

square

#1B657D #641B7D #7D331B #347D1B

split-complementary

#1B657D #7D1B34 #7D641B

monochromatic

#051419 #103C4B #1B657D #268EAF #3DB0D5

Accessibility & contrast

On white

6.55

#1B657D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#1B657D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B657D

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B657D	#FFFFFF	#000000	##FFFFFF
##1B657D	1.00	6.55	3.20	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58637E

Deuteranopia (green-blind)

#4A597D

Tritanopia (blue-blind)

#006C6D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1b657d;
/* rgb */ color: rgb(27, 101, 125);
/* oklch */ color: oklch(47.4% 0.079 224.4);

Tailwind

colors: {
  custom: {
    50: '#6891a2',
    500: '#1b657d',
    950: '#000000',
  },
}

SCSS

$custom: #1b657d;
$custom-light: #6891a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1b657d",
  "rgb": {
    "r": 27,
    "g": 101,
    "b": 125
  },
  "hsl": {
    "h": 194.694,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.47385,
    "c": 0.07922,
    "h": 224.4
  },
  "luminance": 0.11021
}

Semantic roles & 50–950 ramp

primary

#1B657D

secondary

#B15E43

accent

#6940E7

background

#F6F8FA

surface

#EBF0F3

border

#C6CBCD

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1B657D

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

Preview Lab → · Contrast checker → · Palette generator →