#4281BA#4281BA

#4281BA is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.7% C 0.109 H 248.1°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#4281BA
RGB	rgb(66, 129, 186)
HSL	hsl(209, 48%, 49%)
HSV	hsv(209, 65%, 73%)
CMYK	cmyk(64.5%, 30.6%, 0%, 27.1%)
CIE-LAB	lab(52.29, -2.22, -35.92)
CIE-LCH	lch(52.29, 35.99, 266.47°)
OKLab	oklab(58.71% -0.0409 -0.1014)
OKLCH	oklch(58.71% 0.109 248.1)
XYZ	xyz(18.9567, 20.4021, 49.3838)
Luminance	0.2040 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4281BA #BA7B42

analogous

#42BAB7 #4281BA #4245BA

triadic

#4281BA #BA4281 #81BA42

tetradic

#4281BA #B742BA #BA7B42 #45BA42

square

#4281BA #B742BA #BA7B42 #45BA42

split-complementary

#4281BA #BA4245 #BAB742

monochromatic

#224260 #32628D #4281BA #6E9FCB #9BBDDB

Accessibility & contrast

On white

4.13

#4281BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#4281BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4281BA

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4281BA	#FFFFFF	#000000	##000000
##4281BA	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6883BC

Deuteranopia (green-blind)

#5878B9

Tritanopia (blue-blind)

#008E95

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4281ba;
/* rgb */ color: rgb(66, 129, 186);
/* oklch */ color: oklch(58.7% 0.109 248.1);

Tailwind

colors: {
  custom: {
    50: '#82a5cf',
    500: '#4281ba',
    950: '#000000',
  },
}

SCSS

$custom: #4281ba;
$custom-light: #82a5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4281ba",
  "rgb": {
    "r": 66,
    "g": 129,
    "b": 186
  },
  "hsl": {
    "h": 208.5,
    "s": 47.619,
    "l": 49.412
  },
  "oklch": {
    "l": 0.58708,
    "c": 0.10937,
    "h": 248.1
  },
  "luminance": 0.20404
}

Semantic roles & 50–950 ramp

primary

#4281BA

secondary

#C8AB90

accent

#9151D7

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #4281BA

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

Preview Lab → · Contrast checker → · Palette generator →