#407E99#407E99

#407E99 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.3% C 0.076 H 228.7°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#407E99
RGB	rgb(64, 126, 153)
HSL	hsl(198, 41%, 43%)
HSV	hsv(198, 58%, 60%)
CMYK	cmyk(58.2%, 17.6%, 0%, 40%)
CIE-LAB	lab(49.87, -11.80, -20.58)
CIE-LCH	lch(49.87, 23.72, 240.18°)
OKLab	oklab(56.3% -0.0503 -0.0573)
OKLCH	oklch(56.3% 0.076 228.7)
XYZ	xyz(15.3228, 18.3102, 32.8575)
Luminance	0.1831 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407E99 #995B40

analogous

#409987 #407E99 #405299

triadic

#407E99 #99407E #7E9940

tetradic

#407E99 #874099 #995B40 #529940

square

#407E99 #874099 #995B40 #529940

split-complementary

#407E99 #994052 #998740

monochromatic

#1C3743 #2E5A6E #407E99 #5C9EBB #87B7CD

Accessibility & contrast

On white

4.50

#407E99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#407E99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #407E99

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407E99	#FFFFFF	#000000	##000000
##407E99	1.00	4.50	4.66	4.66
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707C9A

Deuteranopia (green-blind)

#637299

Tritanopia (blue-blind)

#008687

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #407e99;
/* rgb */ color: rgb(64, 126, 153);
/* oklch */ color: oklch(56.3% 0.076 228.7);

Tailwind

colors: {
  custom: {
    50: '#7da3b7',
    500: '#407e99',
    950: '#000000',
  },
}

SCSS

$custom: #407e99;
$custom-light: #7da3b7;
$custom-dark: #000000;

JSON

{
  "hex": "#407e99",
  "rgb": {
    "r": 64,
    "g": 126,
    "b": 153
  },
  "hsl": {
    "h": 198.202,
    "s": 41.014,
    "l": 42.549
  },
  "oklch": {
    "l": 0.56297,
    "c": 0.07629,
    "h": 228.7
  },
  "luminance": 0.18312
}

Semantic roles & 50–950 ramp

primary

#407E99

secondary

#B78F7E

accent

#7C57D1

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #407E99

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

Preview Lab → · Contrast checker → · Palette generator →