#4281BF#4281BF

#4281BF is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 59.0% C 0.116 H 250.1°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#4281BF
RGB	rgb(66, 129, 191)
HSL	hsl(210, 49%, 50%)
HSV	hsv(210, 65%, 75%)
CMYK	cmyk(65.4%, 32.5%, 0%, 25.1%)
CIE-LAB	lab(52.53, -0.50, -38.41)
CIE-LCH	lch(52.53, 38.41, 269.25°)
OKLab	oklab(58.98% -0.0394 -0.1087)
OKLCH	oklch(58.98% 0.116 250.1)
XYZ	xyz(19.4975, 20.6184, 52.2323)
Luminance	0.2062 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4281BF #BF8042

analogous

#42BFBE #4281BF #4242BF

triadic

#4281BF #BF4281 #81BF42

tetradic

#4281BF #BE42BF #BF8042 #42BF42

square

#4281BF #BE42BF #BF8042 #42BF42

split-complementary

#4281BF #BF4242 #BFBE42

monochromatic

#224465 #326292 #4281BF #709FCE #9DBEDE

Accessibility & contrast

On white

4.10

#4281BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#4281BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4281BF

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4281BF	#FFFFFF	#000000	##000000
##4281BF	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6684C2

Deuteranopia (green-blind)

#5578BE

Tritanopia (blue-blind)

#009097

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4281bf;
/* rgb */ color: rgb(66, 129, 191);
/* oklch */ color: oklch(59.0% 0.116 250.1);

Tailwind

colors: {
  custom: {
    50: '#83a5d2',
    500: '#4281bf',
    950: '#000000',
  },
}

SCSS

$custom: #4281bf;
$custom-light: #83a5d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4281bf",
  "rgb": {
    "r": 66,
    "g": 129,
    "b": 191
  },
  "hsl": {
    "h": 209.76,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.58976,
    "c": 0.1156,
    "h": 250.1
  },
  "luminance": 0.2062
}

Semantic roles & 50–950 ramp

primary

#4281BF

secondary

#CAAE93

accent

#934FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4281BF

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

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