#407C8B#407C8B

#407C8B is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.2% C 0.066 H 216.1°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#407C8B
RGB	rgb(64, 124, 139)
HSL	hsl(192, 37%, 40%)
HSV	hsv(192, 54%, 55%)
CMYK	cmyk(54%, 10.8%, 0%, 45.5%)
CIE-LAB	lab(48.72, -15.03, -14.12)
CIE-LCH	lch(48.72, 20.62, 223.21°)
OKLab	oklab(55.2% -0.0536 -0.0391)
OKLCH	oklch(55.2% 0.066 216.1)
XYZ	xyz(13.9804, 17.3681, 27.0367)
Luminance	0.1737 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407C8B #8B4F40

analogous

#408B75 #407C8B #40578B

triadic

#407C8B #8B407C #7C8B40

tetradic

#407C8B #75408B #8B4F40 #578B40

square

#407C8B #75408B #8B4F40 #578B40

split-complementary

#407C8B #8B4057 #8B7540

monochromatic

#193137 #2D5761 #407C8B #579FB2 #81B7C5

Accessibility & contrast

On white

4.69

#407C8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#407C8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #407C8B

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407C8B	#FFFFFF	#000000	##FFFFFF
##407C8B	1.00	4.69	4.47	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#72798C

Deuteranopia (green-blind)

#66708B

Tritanopia (blue-blind)

#098281

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #407c8b;
/* rgb */ color: rgb(64, 124, 139);
/* oklch */ color: oklch(55.2% 0.066 216.1);

Tailwind

colors: {
  custom: {
    50: '#7ba2ac',
    500: '#407c8b',
    950: '#000000',
  },
}

SCSS

$custom: #407c8b;
$custom-light: #7ba2ac;
$custom-dark: #000000;

JSON

{
  "hex": "#407c8b",
  "rgb": {
    "r": 64,
    "g": 124,
    "b": 139
  },
  "hsl": {
    "h": 192,
    "s": 36.946,
    "l": 39.804
  },
  "oklch": {
    "l": 0.55203,
    "c": 0.06635,
    "h": 216.1
  },
  "luminance": 0.17369
}

Semantic roles & 50–950 ramp

primary

#407C8B

secondary

#AF8378

accent

#725BCD

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0F10

muted

#7C7E7F

Preview Lab

Preview with #407C8B

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

Preview Lab → · Contrast checker → · Palette generator →