#407DB8#407DB8

#407DB8 is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.6% C 0.111 H 249.6°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#407DB8
RGB	rgb(64, 125, 184)
HSL	hsl(210, 48%, 49%)
HSV	hsv(210, 65%, 72%)
CMYK	cmyk(65.2%, 32.1%, 0%, 27.8%)
CIE-LAB	lab(50.94, -0.89, -36.90)
CIE-LCH	lch(50.94, 36.91, 268.62°)
OKLab	oklab(57.59% -0.0387 -0.1044)
OKLCH	oklch(57.59% 0.111 249.6)
XYZ	xyz(18.0965, 19.2161, 48.0935)
Luminance	0.1922 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407DB8 #B87B40

analogous

#40B8B7 #407DB8 #4041B8

triadic

#407DB8 #B8407D #7DB840

tetradic

#407DB8 #B740B8 #B87B40 #41B840

square

#407DB8 #B740B8 #B87B40 #41B840

split-complementary

#407DB8 #B84041 #B8B740

monochromatic

#203F5D #305E8B #407DB8 #6A9BCB #97BADB

Accessibility & contrast

On white

4.34

#407DB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#407DB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #407DB8

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407DB8	#FFFFFF	#000000	##000000
##407DB8	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6380BB

Deuteranopia (green-blind)

#5374B7

Tritanopia (blue-blind)

#008B92

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #407db8;
/* rgb */ color: rgb(64, 125, 184);
/* oklch */ color: oklch(57.6% 0.111 249.6);

Tailwind

colors: {
  custom: {
    50: '#81a2cd',
    500: '#407db8',
    950: '#000000',
  },
}

SCSS

$custom: #407db8;
$custom-light: #81a2cd;
$custom-dark: #000000;

JSON

{
  "hex": "#407db8",
  "rgb": {
    "r": 64,
    "g": 125,
    "b": 184
  },
  "hsl": {
    "h": 209.5,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.57594,
    "c": 0.11131,
    "h": 249.6
  },
  "luminance": 0.19218
}

Semantic roles & 50–950 ramp

primary

#407DB8

secondary

#C7A98D

accent

#9350D8

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #407DB8

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

Preview Lab → · Contrast checker → · Palette generator →