#407BBB#407BBB

#407BBB is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.3% C 0.117 H 252.2°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#407BBB
RGB	rgb(64, 123, 187)
HSL	hsl(211, 49%, 49%)
HSV	hsv(211, 66%, 73%)
CMYK	cmyk(65.8%, 34.2%, 0%, 26.7%)
CIE-LAB	lab(50.50, 1.35, -39.32)
CIE-LCH	lch(50.50, 39.34, 271.97°)
OKLab	oklab(57.3% -0.0358 -0.1114)
OKLCH	oklch(57.3% 0.117 252.2)
XYZ	xyz(18.1637, 18.8419, 49.6837)
Luminance	0.1884 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407BBB #BB8040

analogous

#40B9BB #407BBB #4340BB

triadic

#407BBB #BB407B #7BBB40

tetradic

#407BBB #BB40B9 #BB8040 #40BB43

square

#407BBB #BB40B9 #BB8040 #40BB43

split-complementary

#407BBB #BB4340 #B9BB40

monochromatic

#213F60 #305D8D #407BBB #6C9ACD #99B9DC

Accessibility & contrast

On white

4.40

#407BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#407BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #407BBB

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407BBB	#FFFFFF	#000000	##000000
##407BBB	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7FBE

Deuteranopia (green-blind)

#4E73BA

Tritanopia (blue-blind)

#008A92

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #407bbb;
/* rgb */ color: rgb(64, 123, 187);
/* oklch */ color: oklch(57.3% 0.117 252.2);

Tailwind

colors: {
  custom: {
    50: '#81a0d0',
    500: '#407bbb',
    950: '#000000',
  },
}

SCSS

$custom: #407bbb;
$custom-light: #81a0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#407bbb",
  "rgb": {
    "r": 64,
    "g": 123,
    "b": 187
  },
  "hsl": {
    "h": 211.22,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.57299,
    "c": 0.11702,
    "h": 252.2
  },
  "luminance": 0.18844
}

Semantic roles & 50–950 ramp

primary

#407BBB

secondary

#C8AD8F

accent

#974FD9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #407BBB

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

Preview Lab → · Contrast checker → · Palette generator →