#4280BE#4280BE

#4280BE is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.7% C 0.115 H 250.4°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#4280BE
RGB	rgb(66, 128, 190)
HSL	hsl(210, 49%, 50%)
HSV	hsv(210, 65%, 75%)
CMYK	cmyk(65.3%, 32.6%, 0%, 25.5%)
CIE-LAB	lab(52.19, -0.25, -38.37)
CIE-LCH	lch(52.19, 38.37, 269.62°)
OKLab	oklab(58.69% -0.0386 -0.1086)
OKLCH	oklch(58.69% 0.115 250.4)
XYZ	xyz(19.2568, 20.3124, 51.6111)
Luminance	0.2031 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4280BE #BE8042

analogous

#42BEBE #4280BE #4242BE

triadic

#4280BE #BE4280 #80BE42

tetradic

#4280BE #BE42BE #BE8042 #42BE42

square

#4280BE #BE42BE #BE8042 #42BE42

split-complementary

#4280BE #BE4242 #BEBE42

monochromatic

#224363 #326191 #4280BE #709FCE #9DBDDD

Accessibility & contrast

On white

4.15

#4280BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#4280BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4280BE

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4280BE	#FFFFFF	#000000	##000000
##4280BE	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)

#6583C1

Deuteranopia (green-blind)

#5477BD

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4280be;
/* rgb */ color: rgb(66, 128, 190);
/* oklch */ color: oklch(58.7% 0.115 250.4);

Tailwind

colors: {
  custom: {
    50: '#83a4d2',
    500: '#4280be',
    950: '#000000',
  },
}

SCSS

$custom: #4280be;
$custom-light: #83a4d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4280be",
  "rgb": {
    "r": 66,
    "g": 128,
    "b": 190
  },
  "hsl": {
    "h": 210,
    "s": 48.819,
    "l": 50.196
  },
  "oklch": {
    "l": 0.58692,
    "c": 0.11526,
    "h": 250.4
  },
  "luminance": 0.20314
}

Semantic roles & 50–950 ramp

primary

#4280BE

secondary

#CAAE92

accent

#944FD8

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4280BE

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

Preview Lab → · Contrast checker → · Palette generator →