#4281BD#4281BD

#4281BD is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 58.9% C 0.113 H 249.3°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#4281BD
RGB	rgb(66, 129, 189)
HSL	hsl(209, 48%, 50%)
HSV	hsv(209, 65%, 74%)
CMYK	cmyk(65.1%, 31.7%, 0%, 25.9%)
CIE-LAB	lab(52.43, -1.19, -37.42)
CIE-LCH	lch(52.43, 37.44, 268.18°)
OKLab	oklab(58.87% -0.04 -0.1058)
OKLCH	oklch(58.87% 0.113 249.3)
XYZ	xyz(19.2789, 20.5310, 51.0811)
Luminance	0.2053 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4281BD #BD7E42

analogous

#42BDBB #4281BD #4244BD

triadic

#4281BD #BD4281 #81BD42

tetradic

#4281BD #BB42BD #BD7E42 #44BD42

square

#4281BD #BB42BD #BD7E42 #44BD42

split-complementary

#4281BD #BD4244 #BDBB42

monochromatic

#224362 #326290 #4281BD #6F9FCD #9DBDDD

Accessibility & contrast

On white

4.11

#4281BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#4281BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4281BD

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4281BD	#FFFFFF	#000000	##000000
##4281BD	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6784C0

Deuteranopia (green-blind)

#5678BC

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4281bd;
/* rgb */ color: rgb(66, 129, 189);
/* oklch */ color: oklch(58.9% 0.113 249.3);

Tailwind

colors: {
  custom: {
    50: '#82a5d1',
    500: '#4281bd',
    950: '#000000',
  },
}

SCSS

$custom: #4281bd;
$custom-light: #82a5d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4281bd",
  "rgb": {
    "r": 66,
    "g": 129,
    "b": 189
  },
  "hsl": {
    "h": 209.268,
    "s": 48.235,
    "l": 50
  },
  "oklch": {
    "l": 0.58868,
    "c": 0.11309,
    "h": 249.3
  },
  "luminance": 0.20533
}

Semantic roles & 50–950 ramp

primary

#4281BD

secondary

#C9AD92

accent

#9250D8

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4281BD

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

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