#4490DD#4490DD

#4490DD is a light, vivid cyan. Relative luminance 0.264; OKLCH L 64.1% C 0.138 H 251.1°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#4490DD
RGB	rgb(68, 144, 221)
HSL	hsl(210, 69%, 57%)
HSV	hsv(210, 69%, 87%)
CMYK	cmyk(69.2%, 34.8%, 0%, 13.3%)
CIE-LAB	lab(58.41, 1.35, -46.07)
CIE-LCH	lch(58.41, 46.09, 271.67°)
OKLab	oklab(64.09% -0.0447 -0.1308)
OKLCH	oklch(64.09% 0.138 251.1)
XYZ	xyz(25.4034, 26.3932, 72.1482)
Luminance	0.2640 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4490DD #DD9144

analogous

#44DDDD #4490DD #4544DD

triadic

#4490DD #DD4490 #90DD44

tetradic

#4490DD #DD44DD #DD9144 #44DD45

square

#4490DD #DD44DD #DD9144 #44DD45

split-complementary

#4490DD #DD4544 #DDDD44

monochromatic

#1A538D #2371C1 #4490DD #78AFE6 #ACCDF0

Accessibility & contrast

On white

3.34

#4490DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#4490DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4490DD

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4490DD	#FFFFFF	#000000	##000000
##4490DD	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D94E0

Deuteranopia (green-blind)

#5786DB

Tritanopia (blue-blind)

#00A2AC

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4490dd;
/* rgb */ color: rgb(68, 144, 221);
/* oklch */ color: oklch(64.1% 0.138 251.1);

Tailwind

colors: {
  custom: {
    50: '#89b0e8',
    500: '#4490dd',
    950: '#000000',
  },
}

SCSS

$custom: #4490dd;
$custom-light: #89b0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4490dd",
  "rgb": {
    "r": 68,
    "g": 144,
    "b": 221
  },
  "hsl": {
    "h": 210.196,
    "s": 69.231,
    "l": 56.667
  },
  "oklch": {
    "l": 0.64094,
    "c": 0.13828,
    "h": 251.1
  },
  "luminance": 0.26396
}

Semantic roles & 50–950 ramp

primary

#4490DD

secondary

#DEBF9F

accent

#943CEC

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4490DD

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

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