#408DB3#408DB3

#408DB3 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 61.1% C 0.095 H 232.8°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#408DB3
RGB	rgb(64, 141, 179)
HSL	hsl(200, 47%, 48%)
HSV	hsv(200, 64%, 70%)
CMYK	cmyk(64.2%, 21.2%, 0%, 29.8%)
CIE-LAB	lab(55.47, -11.81, -26.96)
CIE-LCH	lch(55.47, 29.44, 246.34°)
OKLab	oklab(61.11% -0.0574 -0.0755)
OKLCH	oklch(61.11% 0.095 232.8)
XYZ	xyz(19.7727, 23.3924, 46.1122)
Luminance	0.2339 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408DB3 #B36640

analogous

#40B39F #408DB3 #4054B3

triadic

#408DB3 #B3408D #8DB340

tetradic

#408DB3 #9F40B3 #B36640 #54B340

square

#408DB3 #9F40B3 #B36640 #54B340

split-complementary

#408DB3 #B34054 #B39F40

monochromatic

#204659 #306986 #408DB3 #67A9C9 #94C2D9

Accessibility & contrast

On white

3.70

#408DB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#408DB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408DB3

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408DB3	#FFFFFF	#000000	##000000
##408DB3	1.00	3.70	5.68	5.68
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8BB5

Deuteranopia (green-blind)

#6A80B2

Tritanopia (blue-blind)

#00979A

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #408db3;
/* rgb */ color: rgb(64, 141, 179);
/* oklch */ color: oklch(61.1% 0.095 232.8);

Tailwind

colors: {
  custom: {
    50: '#81aeca',
    500: '#408db3',
    950: '#000000',
  },
}

SCSS

$custom: #408db3;
$custom-light: #81aeca;
$custom-dark: #000000;

JSON

{
  "hex": "#408db3",
  "rgb": {
    "r": 64,
    "g": 141,
    "b": 179
  },
  "hsl": {
    "h": 199.826,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.61107,
    "c": 0.09484,
    "h": 232.8
  },
  "luminance": 0.23394
}

Semantic roles & 50–950 ramp

primary

#408DB3

secondary

#C49E8A

accent

#7D51D7

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #408DB3

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

Preview Lab → · Contrast checker → · Palette generator →