#40657E#40657E

#40657E is a mid, muted cyan. Relative luminance 0.119; OKLCH L 48.9% C 0.058 H 239.1°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#40657E
RGB	rgb(64, 101, 126)
HSL	hsl(204, 33%, 37%)
HSV	hsv(204, 49%, 49%)
CMYK	cmyk(49.2%, 19.8%, 0%, 50.6%)
CIE-LAB	lab(41.06, -5.79, -18.04)
CIE-LCH	lch(41.06, 18.95, 252.20°)
OKLab	oklab(48.94% -0.03 -0.0501)
OKLCH	oklch(48.94% 0.058 239.1)
XYZ	xyz(10.5326, 11.9029, 21.4771)
Luminance	0.1190 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40657E #7E5940

analogous

#407E78 #40657E #40467E

triadic

#40657E #7E4065 #657E40

tetradic

#40657E #78407E #7E5940 #467E40

square

#40657E #78407E #7E5940 #467E40

split-complementary

#40657E #7E4046 #7E7840

monochromatic

#17242D #2B4455 #40657E #5586A7 #7CA2BC

Accessibility & contrast

On white

6.21

#40657E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#40657E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40657E

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40657E	#FFFFFF	#000000	##FFFFFF
##40657E	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A657F

Deuteranopia (green-blind)

#515E7E

Tritanopia (blue-blind)

#236B6D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #40657e;
/* rgb */ color: rgb(64, 101, 126);
/* oklch */ color: oklch(48.9% 0.058 239.1);

Tailwind

colors: {
  custom: {
    50: '#7990a3',
    500: '#40657e',
    950: '#000000',
  },
}

SCSS

$custom: #40657e;
$custom-light: #7990a3;
$custom-dark: #000000;

JSON

{
  "hex": "#40657e",
  "rgb": {
    "r": 64,
    "g": 101,
    "b": 126
  },
  "hsl": {
    "h": 204.194,
    "s": 32.632,
    "l": 37.255
  },
  "oklch": {
    "l": 0.48941,
    "c": 0.05838,
    "h": 239.1
  },
  "luminance": 0.11904
}

Semantic roles & 50–950 ramp

primary

#40657E

secondary

#A78873

accent

#8A5FC9

background

#F7F8FA

surface

#EEF0F3

border

#C9CBCD

text

#090C0F

muted

#7B7D7F

Preview Lab

Preview with #40657E

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

Preview Lab → · Contrast checker → · Palette generator →