#1B648E#1B648E

#1B648E is a mid, moderate cyan. Relative luminance 0.113; OKLCH L 48.0% C 0.097 H 239.4°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#1B648E
RGB	rgb(27, 100, 142)
HSL	hsl(202, 68%, 33%)
HSV	hsv(202, 81%, 56%)
CMYK	cmyk(81%, 29.6%, 0%, 44.3%)
CIE-LAB	lab(40.08, -6.55, -29.34)
CIE-LCH	lch(40.08, 30.06, 257.41°)
OKLab	oklab(48.02% -0.0492 -0.083)
OKLCH	oklch(48.02% 0.097 239.4)
XYZ	xyz(9.8897, 11.2991, 27.2457)
Luminance	0.1130 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B648E #8E451B

analogous

#1B8E7E #1B648E #1B2A8E

triadic

#1B648E #8E1B64 #648E1B

tetradic

#1B648E #7E1B8E #8E451B #2A8E1B

square

#1B648E #7E1B8E #8E451B #2A8E1B

split-complementary

#1B648E #8E1B2A #8E7E1B

monochromatic

#071C27 #11405B #1B648E #2588C1 #47A6DC

Accessibility & contrast

On white

6.44

#1B648E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#1B648E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B648E

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B648E	#FFFFFF	#000000	##FFFFFF
##1B648E	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#506490

Deuteranopia (green-blind)

#405A8D

Tritanopia (blue-blind)

#006F73

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1b648e;
/* rgb */ color: rgb(27, 100, 142);
/* oklch */ color: oklch(48.0% 0.097 239.4);

Tailwind

colors: {
  custom: {
    50: '#6b90af',
    500: '#1b648e',
    950: '#000000',
  },
}

SCSS

$custom: #1b648e;
$custom-light: #6b90af;
$custom-dark: #000000;

JSON

{
  "hex": "#1b648e",
  "rgb": {
    "r": 27,
    "g": 100,
    "b": 142
  },
  "hsl": {
    "h": 201.913,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.48016,
    "c": 0.09653,
    "h": 239.4
  },
  "luminance": 0.113
}

Semantic roles & 50–950 ramp

primary

#1B648E

secondary

#BE7247

accent

#7C3DEB

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1B648E

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

Preview Lab → · Contrast checker → · Palette generator →