#1B658D#1B658D

#1B658D is a mid, moderate cyan. Relative luminance 0.115; OKLCH L 48.2% C 0.095 H 237.7°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#1B658D
RGB	rgb(27, 101, 141)
HSL	hsl(201, 68%, 33%)
HSV	hsv(201, 81%, 55%)
CMYK	cmyk(80.9%, 28.4%, 0%, 44.7%)
CIE-LAB	lab(40.35, -7.54, -28.32)
CIE-LCH	lch(40.35, 29.30, 255.10°)
OKLab	oklab(48.21% -0.0505 -0.0801)
OKLCH	oklch(48.21% 0.095 237.7)
XYZ	xyz(9.9115, 11.4623, 26.8842)
Luminance	0.1146 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B658D #8D431B

analogous

#1B8D7C #1B658D #1B2C8D

triadic

#1B658D #8D1B65 #658D1B

tetradic

#1B658D #7C1B8D #8D431B #2C8D1B

square

#1B658D #7C1B8D #8D431B #2C8D1B

split-complementary

#1B658D #8D1B2C #8D7C1B

monochromatic

#071B26 #11405A #1B658D #258AC0 #47A7DC

Accessibility & contrast

On white

6.38

#1B658D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#1B658D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B658D

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B658D	#FFFFFF	#000000	##FFFFFF
##1B658D	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52658F

Deuteranopia (green-blind)

#435A8C

Tritanopia (blue-blind)

#006F73

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #1b658d;
/* rgb */ color: rgb(27, 101, 141);
/* oklch */ color: oklch(48.2% 0.095 237.7);

Tailwind

colors: {
  custom: {
    50: '#6b90ae',
    500: '#1b658d',
    950: '#000000',
  },
}

SCSS

$custom: #1b658d;
$custom-light: #6b90ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1b658d",
  "rgb": {
    "r": 27,
    "g": 101,
    "b": 141
  },
  "hsl": {
    "h": 201.053,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.48213,
    "c": 0.09467,
    "h": 237.7
  },
  "luminance": 0.11463
}

Semantic roles & 50–950 ramp

primary

#1B658D

secondary

#BD7046

accent

#7A3DEB

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1B658D

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

Preview Lab → · Contrast checker → · Palette generator →