#40668E#40668E

#40668E is a mid, moderate cyan. Relative luminance 0.125; OKLCH L 50.0% C 0.078 H 250.8°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#40668E
RGB	rgb(64, 102, 142)
HSL	hsl(211, 38%, 40%)
HSV	hsv(211, 55%, 56%)
CMYK	cmyk(54.9%, 28.2%, 0%, 44.3%)
CIE-LAB	lab(42.07, -1.24, -26.13)
CIE-LCH	lch(42.07, 26.16, 267.27°)
OKLab	oklab(49.97% -0.0255 -0.0733)
OKLCH	oklch(49.97% 0.078 250.8)
XYZ	xyz(11.7465, 12.5448, 27.3883)
Luminance	0.1255 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40668E #8E6840

analogous

#408D8E #40668E #41408E

triadic

#40668E #8E4066 #668E40

tetradic

#40668E #8E408D #8E6840 #408E41

square

#40668E #8E408D #8E6840 #408E41

split-complementary

#40668E #8E4140 #8D8E40

monochromatic

#1A293A #2D4864 #40668E #5884B4 #82A3C7

Accessibility & contrast

On white

5.98

#40668E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#40668E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40668E

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40668E	#FFFFFF	#000000	##FFFFFF
##40668E	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566890

Deuteranopia (green-blind)

#4C608D

Tritanopia (blue-blind)

#116F74

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #40668e;
/* rgb */ color: rgb(64, 102, 142);
/* oklch */ color: oklch(50.0% 0.078 250.8);

Tailwind

colors: {
  custom: {
    50: '#7a91af',
    500: '#40668e',
    950: '#000000',
  },
}

SCSS

$custom: #40668e;
$custom-light: #7a91af;
$custom-dark: #000000;

JSON

{
  "hex": "#40668e",
  "rgb": {
    "r": 64,
    "g": 102,
    "b": 142
  },
  "hsl": {
    "h": 210.769,
    "s": 37.864,
    "l": 40.392
  },
  "oklch": {
    "l": 0.49967,
    "c": 0.07762,
    "h": 250.8
  },
  "luminance": 0.12546
}

Semantic roles & 50–950 ramp

primary

#40668E

secondary

#B19679

accent

#955ACE

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#0A0C10

muted

#7C7D7F

Preview Lab

Preview with #40668E

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

Preview Lab → · Contrast checker → · Palette generator →