#408BE3#408BE3

#408BE3 is a light, vivid cyan. Relative luminance 0.251; OKLCH L 63.2% C 0.152 H 254.3°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#408BE3
RGB	rgb(64, 139, 227)
HSL	hsl(212, 74%, 57%)
HSV	hsv(212, 72%, 89%)
CMYK	cmyk(71.8%, 38.8%, 0%, 11%)
CIE-LAB	lab(57.17, 5.85, -51.39)
CIE-LCH	lch(57.17, 51.72, 276.49°)
OKLab	oklab(63.19% -0.0412 -0.1465)
OKLCH	oklch(63.19% 0.152 254.3)
XYZ	xyz(25.2070, 25.0985, 76.1742)
Luminance	0.2510 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408BE3 #E39840

analogous

#40DCE3 #408BE3 #4740E3

triadic

#408BE3 #E3408B #8BE340

tetradic

#408BE3 #E340DC #E39840 #40E347

square

#408BE3 #E340DC #E39840 #40E347

split-complementary

#408BE3 #E34740 #DCE340

monochromatic

#164F93 #1D6CC8 #408BE3 #75ABEB #ABCCF3

Accessibility & contrast

On white

3.49

#408BE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#408BE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408BE3

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408BE3	#FFFFFF	#000000	##000000
##408BE3	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6291E7

Deuteranopia (green-blind)

#4982E1

Tritanopia (blue-blind)

#00A0AC

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #408be3;
/* rgb */ color: rgb(64, 139, 227);
/* oklch */ color: oklch(63.2% 0.152 254.3);

Tailwind

colors: {
  custom: {
    50: '#88acec',
    500: '#408be3',
    950: '#000000',
  },
}

SCSS

$custom: #408be3;
$custom-light: #88acec;
$custom-dark: #000000;

JSON

{
  "hex": "#408be3",
  "rgb": {
    "r": 64,
    "g": 139,
    "b": 227
  },
  "hsl": {
    "h": 212.393,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.63191,
    "c": 0.15222,
    "h": 254.3
  },
  "luminance": 0.25101
}

Semantic roles & 50–950 ramp

primary

#408BE3

secondary

#E1C29E

accent

#9B37F1

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #408BE3

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

Preview Lab → · Contrast checker → · Palette generator →