#408AE3#408AE3

#408AE3 is a light, vivid cyan. Relative luminance 0.248; OKLCH L 63.0% C 0.153 H 254.7°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#408AE3
RGB	rgb(64, 138, 227)
HSL	hsl(213, 74%, 57%)
HSV	hsv(213, 72%, 89%)
CMYK	cmyk(71.8%, 39.2%, 0%, 11%)
CIE-LAB	lab(56.89, 6.45, -51.84)
CIE-LCH	lch(56.89, 52.24, 277.09°)
OKLab	oklab(62.97% -0.0403 -0.1479)
OKLCH	oklch(62.97% 0.153 254.7)
XYZ	xyz(25.0628, 24.8102, 76.1261)
Luminance	0.2481 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408AE3 #E39940

analogous

#40DBE3 #408AE3 #4840E3

triadic

#408AE3 #E3408A #8AE340

tetradic

#408AE3 #E340DB #E39940 #40E348

square

#408AE3 #E340DB #E39940 #40E348

split-complementary

#408AE3 #E34840 #DBE340

monochromatic

#164F93 #1D6BC8 #408AE3 #75ABEB #ABCBF3

Accessibility & contrast

On white

3.52

#408AE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#408AE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408AE3

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408AE3	#FFFFFF	#000000	##000000
##408AE3	1.00	3.52	5.96	5.96
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6091E7

Deuteranopia (green-blind)

#4782E1

Tritanopia (blue-blind)

#009FAB

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #408ae3;
/* rgb */ color: rgb(64, 138, 227);
/* oklch */ color: oklch(63.0% 0.153 254.7);

Tailwind

colors: {
  custom: {
    50: '#88abec',
    500: '#408ae3',
    950: '#000000',
  },
}

SCSS

$custom: #408ae3;
$custom-light: #88abec;
$custom-dark: #000000;

JSON

{
  "hex": "#408ae3",
  "rgb": {
    "r": 64,
    "g": 138,
    "b": 227
  },
  "hsl": {
    "h": 212.761,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.62972,
    "c": 0.15326,
    "h": 254.7
  },
  "luminance": 0.24813
}

Semantic roles & 50–950 ramp

primary

#408AE3

secondary

#E1C29E

accent

#9C37F1

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #408AE3

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

Preview Lab → · Contrast checker → · Palette generator →