#4281BE#4281BE

#4281BE is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 58.9% C 0.114 H 249.7°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#4281BE
RGB	rgb(66, 129, 190)
HSL	hsl(210, 49%, 50%)
HSV	hsv(210, 65%, 75%)
CMYK	cmyk(65.3%, 32.1%, 0%, 25.5%)
CIE-LAB	lab(52.48, -0.85, -37.91)
CIE-LCH	lch(52.48, 37.92, 268.72°)
OKLab	oklab(58.92% -0.0397 -0.1072)
OKLCH	oklch(58.92% 0.114 249.7)
XYZ	xyz(19.3879, 20.5745, 51.6547)
Luminance	0.2058 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4281BE #BE7F42

analogous

#42BEBD #4281BE #4243BE

triadic

#4281BE #BE4281 #81BE42

tetradic

#4281BE #BD42BE #BE7F42 #43BE42

square

#4281BE #BD42BE #BE7F42 #43BE42

split-complementary

#4281BE #BE4243 #BEBD42

monochromatic

#224363 #326291 #4281BE #709FCE #9DBEDD

Accessibility & contrast

On white

4.11

#4281BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#4281BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4281BE

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4281BE	#FFFFFF	#000000	##000000
##4281BE	1.00	4.11	5.12	5.12
#FFFFFF	4.11	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)

#6684C1

Deuteranopia (green-blind)

#5578BD

Tritanopia (blue-blind)

#008F97

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4281be;
/* rgb */ color: rgb(66, 129, 190);
/* oklch */ color: oklch(58.9% 0.114 249.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4281be",
  "rgb": {
    "r": 66,
    "g": 129,
    "b": 190
  },
  "hsl": {
    "h": 209.516,
    "s": 48.819,
    "l": 50.196
  },
  "oklch": {
    "l": 0.58922,
    "c": 0.11435,
    "h": 249.7
  },
  "luminance": 0.20576
}

Semantic roles & 50–950 ramp

primary

#4281BE

secondary

#CAAD92

accent

#934FD8

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4281BE

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

Preview Lab → · Contrast checker → · Palette generator →