#4282B1#4282B1

#4282B1 is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.5% C 0.098 H 242.8°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#4282B1
RGB	rgb(66, 130, 177)
HSL	hsl(205, 46%, 48%)
HSV	hsv(205, 63%, 69%)
CMYK	cmyk(62.7%, 26.6%, 0%, 30.6%)
CIE-LAB	lab(52.17, -5.85, -30.94)
CIE-LCH	lch(52.17, 31.49, 259.30°)
OKLab	oklab(58.48% -0.0448 -0.087)
OKLCH	oklch(58.48% 0.098 242.8)
XYZ	xyz(18.1622, 20.2961, 44.5468)
Luminance	0.2030 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4282B1 #B17142

analogous

#42B1A8 #4282B1 #424BB1

triadic

#4282B1 #B14282 #82B142

tetradic

#4282B1 #A842B1 #B17142 #4BB142

square

#4282B1 #A842B1 #B17142 #4BB142

split-complementary

#4282B1 #B1424B #B1A842

monochromatic

#214158 #316184 #4282B1 #699FC7 #96BCD8

Accessibility & contrast

On white

4.15

#4282B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#4282B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4282B1

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4282B1	#FFFFFF	#000000	##000000
##4282B1	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D83B3

Deuteranopia (green-blind)

#5E78B0

Tritanopia (blue-blind)

#008D92

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4282b1;
/* rgb */ color: rgb(66, 130, 177);
/* oklch */ color: oklch(58.5% 0.098 242.8);

Tailwind

colors: {
  custom: {
    50: '#81a6c8',
    500: '#4282b1',
    950: '#000000',
  },
}

SCSS

$custom: #4282b1;
$custom-light: #81a6c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4282b1",
  "rgb": {
    "r": 66,
    "g": 130,
    "b": 177
  },
  "hsl": {
    "h": 205.405,
    "s": 45.679,
    "l": 47.647
  },
  "oklch": {
    "l": 0.58478,
    "c": 0.09784,
    "h": 242.8
  },
  "luminance": 0.20298
}

Semantic roles & 50–950 ramp

primary

#4282B1

secondary

#C3A38B

accent

#8A52D5

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #4282B1

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

Preview Lab → · Contrast checker → · Palette generator →