#407D9B#407D9B

#407D9B is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.1% C 0.078 H 231.8°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#407D9B
RGB	rgb(64, 125, 155)
HSL	hsl(200, 42%, 43%)
HSV	hsv(200, 59%, 61%)
CMYK	cmyk(58.7%, 19.4%, 0%, 39.2%)
CIE-LAB	lab(49.64, -10.59, -22.10)
CIE-LCH	lch(49.64, 24.50, 244.39°)
OKLab	oklab(56.14% -0.0484 -0.0616)
OKLCH	oklch(56.14% 0.078 231.8)
XYZ	xyz(15.3621, 18.1224, 33.6924)
Luminance	0.1812 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407D9B #9B5E40

analogous

#409B8B #407D9B #404F9B

triadic

#407D9B #9B407D #7D9B40

tetradic

#407D9B #8B409B #9B5E40 #4F9B40

square

#407D9B #8B409B #9B5E40 #4F9B40

split-complementary

#407D9B #9B404F #9B8B40

monochromatic

#1C3744 #2E5A70 #407D9B #5C9CBC #88B7CE

Accessibility & contrast

On white

4.54

#407D9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#407D9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #407D9B

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407D9B	#FFFFFF	#000000	##000000
##407D9B	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7B9C

Deuteranopia (green-blind)

#61729B

Tritanopia (blue-blind)

#008587

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #407d9b;
/* rgb */ color: rgb(64, 125, 155);
/* oklch */ color: oklch(56.1% 0.078 231.8);

Tailwind

colors: {
  custom: {
    50: '#7da2b8',
    500: '#407d9b',
    950: '#000000',
  },
}

SCSS

$custom: #407d9b;
$custom-light: #7da2b8;
$custom-dark: #000000;

JSON

{
  "hex": "#407d9b",
  "rgb": {
    "r": 64,
    "g": 125,
    "b": 155
  },
  "hsl": {
    "h": 199.78,
    "s": 41.553,
    "l": 42.941
  },
  "oklch": {
    "l": 0.56144,
    "c": 0.07838,
    "h": 231.8
  },
  "luminance": 0.18124
}

Semantic roles & 50–950 ramp

primary

#407D9B

secondary

#B8927E

accent

#7F56D1

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #407D9B

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

Preview Lab → · Contrast checker → · Palette generator →