#1B648D#1B648D

#1B648D is a mid, moderate cyan. Relative luminance 0.113; OKLCH L 48.0% C 0.095 H 238.7°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#1B648D
RGB	rgb(27, 100, 141)
HSL	hsl(202, 68%, 33%)
HSV	hsv(202, 81%, 55%)
CMYK	cmyk(80.9%, 29.1%, 0%, 44.7%)
CIE-LAB	lab(40.03, -6.93, -28.82)
CIE-LCH	lch(40.03, 29.64, 256.48°)
OKLab	oklab(47.96% -0.0495 -0.0815)
OKLCH	oklch(47.96% 0.095 238.7)
XYZ	xyz(9.8150, 11.2692, 26.8520)
Luminance	0.1127 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B648D #8D441B

analogous

#1B8D7D #1B648D #1B2B8D

triadic

#1B648D #8D1B64 #648D1B

tetradic

#1B648D #7D1B8D #8D441B #2B8D1B

square

#1B648D #7D1B8D #8D441B #2B8D1B

split-complementary

#1B648D #8D1B2B #8D7D1B

monochromatic

#071B26 #11405A #1B648D #2588C0 #47A6DC

Accessibility & contrast

On white

6.45

#1B648D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#1B648D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B648D

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B648D	#FFFFFF	#000000	##FFFFFF
##1B648D	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50648F

Deuteranopia (green-blind)

#415A8C

Tritanopia (blue-blind)

#006E72

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1b648d;
/* rgb */ color: rgb(27, 100, 141);
/* oklch */ color: oklch(48.0% 0.095 238.7);

Tailwind

colors: {
  custom: {
    50: '#6b90ae',
    500: '#1b648d',
    950: '#000000',
  },
}

SCSS

$custom: #1b648d;
$custom-light: #6b90ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1b648d",
  "rgb": {
    "r": 27,
    "g": 100,
    "b": 141
  },
  "hsl": {
    "h": 201.579,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.4796,
    "c": 0.09539,
    "h": 238.7
  },
  "luminance": 0.1127
}

Semantic roles & 50–950 ramp

primary

#1B648D

secondary

#BD7146

accent

#7C3DEB

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1B648D

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

Preview Lab → · Contrast checker → · Palette generator →