#4282B5#4282B5

#4282B5 is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 58.7% C 0.103 H 244.9°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#4282B5
RGB	rgb(66, 130, 181)
HSL	hsl(207, 47%, 48%)
HSV	hsv(207, 64%, 71%)
CMYK	cmyk(63.5%, 28.2%, 0%, 29%)
CIE-LAB	lab(52.35, -4.50, -32.96)
CIE-LCH	lch(52.35, 33.26, 262.22°)
OKLab	oklab(58.68% -0.0435 -0.0928)
OKLCH	oklch(58.68% 0.103 244.9)
XYZ	xyz(18.5668, 20.4579, 46.6774)
Luminance	0.2046 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4282B5 #B57542

analogous

#42B5AE #4282B5 #4248B5

triadic

#4282B5 #B54282 #82B542

tetradic

#4282B5 #AE42B5 #B57542 #48B542

square

#4282B5 #AE42B5 #B57542 #48B542

split-complementary

#4282B5 #B54248 #B5AE42

monochromatic

#21425B #326288 #4282B5 #6B9FC9 #98BCD9

Accessibility & contrast

On white

4.12

#4282B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#4282B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4282B5

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4282B5	#FFFFFF	#000000	##000000
##4282B5	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C83B7

Deuteranopia (green-blind)

#5C78B4

Tritanopia (blue-blind)

#008E94

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4282b5;
/* rgb */ color: rgb(66, 130, 181);
/* oklch */ color: oklch(58.7% 0.103 244.9);

Tailwind

colors: {
  custom: {
    50: '#81a6cb',
    500: '#4282b5',
    950: '#000000',
  },
}

SCSS

$custom: #4282b5;
$custom-light: #81a6cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4282b5",
  "rgb": {
    "r": 66,
    "g": 130,
    "b": 181
  },
  "hsl": {
    "h": 206.609,
    "s": 46.559,
    "l": 48.431
  },
  "oklch": {
    "l": 0.5868,
    "c": 0.10251,
    "h": 244.9
  },
  "luminance": 0.2046
}

Semantic roles & 50–950 ramp

primary

#4282B5

secondary

#C5A68E

accent

#8C52D6

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #4282B5

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

Preview Lab → · Contrast checker → · Palette generator →