#408BBB#408BBB

#408BBB is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 61.0% C 0.104 H 239.7°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#408BBB
RGB	rgb(64, 139, 187)
HSL	hsl(203, 49%, 49%)
HSV	hsv(203, 66%, 73%)
CMYK	cmyk(65.8%, 25.7%, 0%, 26.7%)
CIE-LAB	lab(55.22, -8.03, -31.92)
CIE-LCH	lch(55.22, 32.92, 255.88°)
OKLab	oklab(61.02% -0.0525 -0.0898)
OKLCH	oklch(61.02% 0.104 239.7)
XYZ	xyz(20.3132, 23.1410, 50.4002)
Luminance	0.2314 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408BBB #BB7040

analogous

#40BBAE #408BBB #404DBB

triadic

#408BBB #BB408B #8BBB40

tetradic

#408BBB #AE40BB #BB7040 #4DBB40

square

#408BBB #AE40BB #BB7040 #4DBB40

split-complementary

#408BBB #BB404D #BBAE40

monochromatic

#214760 #30698D #408BBB #6CA7CD #99C2DC

Accessibility & contrast

On white

3.73

#408BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.63

#408BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408BBB

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408BBB	#FFFFFF	#000000	##000000
##408BBB	1.00	3.73	5.63	5.63
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.63	21.00	1.00	1.00
##000000	5.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#758BBD

Deuteranopia (green-blind)

#647FBA

Tritanopia (blue-blind)

#00979B

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #408bbb;
/* rgb */ color: rgb(64, 139, 187);
/* oklch */ color: oklch(61.0% 0.104 239.7);

Tailwind

colors: {
  custom: {
    50: '#82accf',
    500: '#408bbb',
    950: '#000000',
  },
}

SCSS

$custom: #408bbb;
$custom-light: #82accf;
$custom-dark: #000000;

JSON

{
  "hex": "#408bbb",
  "rgb": {
    "r": 64,
    "g": 139,
    "b": 187
  },
  "hsl": {
    "h": 203.415,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.61015,
    "c": 0.104,
    "h": 239.7
  },
  "luminance": 0.23143
}

Semantic roles & 50–950 ramp

primary

#408BBB

secondary

#C8A58F

accent

#854FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #408BBB

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

Preview Lab → · Contrast checker → · Palette generator →