#40839D#40839D

#40839D is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 57.7% C 0.079 H 226.0°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#40839D
RGB	rgb(64, 131, 157)
HSL	hsl(197, 42%, 43%)
HSV	hsv(197, 59%, 62%)
CMYK	cmyk(59.2%, 16.6%, 0%, 38.4%)
CIE-LAB	lab(51.56, -13.33, -20.32)
CIE-LCH	lch(51.56, 24.30, 236.73°)
OKLab	oklab(57.7% -0.0546 -0.0566)
OKLCH	oklch(57.7% 0.079 226)
XYZ	xyz(16.3141, 19.7554, 34.8452)
Luminance	0.1976 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40839D #9D5A40

analogous

#409D88 #40839D #40549D

triadic

#40839D #9D4083 #839D40

tetradic

#40839D #88409D #9D5A40 #549D40

square

#40839D #88409D #9D5A40 #549D40

split-complementary

#40839D #9D4054 #9D8840

monochromatic

#1D3A46 #2E5F72 #40839D #5DA2BD #89BBCF

Accessibility & contrast

On white

4.24

#40839D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#40839D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40839D

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40839D	#FFFFFF	#000000	##000000
##40839D	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#75819E

Deuteranopia (green-blind)

#68779D

Tritanopia (blue-blind)

#008B8B

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #40839d;
/* rgb */ color: rgb(64, 131, 157);
/* oklch */ color: oklch(57.7% 0.079 226.0);

Tailwind

colors: {
  custom: {
    50: '#7da7ba',
    500: '#40839d',
    950: '#000000',
  },
}

SCSS

$custom: #40839d;
$custom-light: #7da7ba;
$custom-dark: #000000;

JSON

{
  "hex": "#40839d",
  "rgb": {
    "r": 64,
    "g": 131,
    "b": 157
  },
  "hsl": {
    "h": 196.774,
    "s": 42.081,
    "l": 43.333
  },
  "oklch": {
    "l": 0.57696,
    "c": 0.07859,
    "h": 226
  },
  "luminance": 0.19757
}

Semantic roles & 50–950 ramp

primary

#40839D

secondary

#B9907F

accent

#7956D2

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #40839D

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

Preview Lab → · Contrast checker → · Palette generator →