#4391BB#4391BB

#4391BB is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.5% C 0.099 H 235.0°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#4391BB
RGB	rgb(67, 145, 187)
HSL	hsl(201, 47%, 50%)
HSV	hsv(201, 64%, 73%)
CMYK	cmyk(64.2%, 22.5%, 0%, 26.7%)
CIE-LAB	lab(57.10, -10.90, -28.98)
CIE-LCH	lch(57.10, 30.96, 249.39°)
OKLab	oklab(62.54% -0.0569 -0.0812)
OKLCH	oklch(62.54% 0.099 235)
XYZ	xyz(21.4063, 25.0298, 50.7072)
Luminance	0.2503 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4391BB #BB6D43

analogous

#43BBA9 #4391BB #4355BB

triadic

#4391BB #BB4391 #91BB43

tetradic

#4391BB #A943BB #BB6D43 #55BB43

square

#4391BB #A943BB #BB6D43 #55BB43

split-complementary

#4391BB #BB4355 #BBA943

monochromatic

#234B61 #336E8E #4391BB #70ABCC #9DC6DC

Accessibility & contrast

On white

3.50

#4391BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#4391BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4391BB

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4391BB	#FFFFFF	#000000	##000000
##4391BB	1.00	3.50	6.01	6.01
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D90BD

Deuteranopia (green-blind)

#6C84BA

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4391bb;
/* rgb */ color: rgb(67, 145, 187);
/* oklch */ color: oklch(62.5% 0.099 235.0);

Tailwind

colors: {
  custom: {
    50: '#83b1cf',
    500: '#4391bb',
    950: '#000000',
  },
}

SCSS

$custom: #4391bb;
$custom-light: #83b1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4391bb",
  "rgb": {
    "r": 67,
    "g": 145,
    "b": 187
  },
  "hsl": {
    "h": 201,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.62542,
    "c": 0.09917,
    "h": 235
  },
  "luminance": 0.25032
}

Semantic roles & 50–950 ramp

primary

#4391BB

secondary

#C8A592

accent

#8051D7

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4391BB

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

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