#40739D#40739D

#40739D is a mid, moderate cyan. Relative luminance 0.158; OKLCH L 53.8% C 0.086 H 245.2°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#40739D
RGB	rgb(64, 115, 157)
HSL	hsl(207, 42%, 43%)
HSV	hsv(207, 59%, 62%)
CMYK	cmyk(59.2%, 26.8%, 0%, 38.4%)
CIE-LAB	lab(46.69, -4.11, -27.84)
CIE-LCH	lch(46.69, 28.14, 261.61°)
OKLab	oklab(53.83% -0.0361 -0.0782)
OKLCH	oklch(53.83% 0.086 245.2)
XYZ	xyz(14.3287, 15.7845, 34.1834)
Luminance	0.1579 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40739D #9D6A40

analogous

#409D98 #40739D #40449D

triadic

#40739D #9D4073 #739D40

tetradic

#40739D #98409D #9D6A40 #449D40

square

#40739D #98409D #9D6A40 #449D40

split-complementary

#40739D #9D4044 #9D9840

monochromatic

#1D3346 #2E5372 #40739D #5D92BD #89AFCF

Accessibility & contrast

On white

5.05

#40739D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#40739D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40739D

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40739D	#FFFFFF	#000000	##FFFFFF
##40739D	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61749F

Deuteranopia (green-blind)

#546B9C

Tritanopia (blue-blind)

#007D81

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #40739d;
/* rgb */ color: rgb(64, 115, 157);
/* oklch */ color: oklch(53.8% 0.086 245.2);

Tailwind

colors: {
  custom: {
    50: '#7d9bba',
    500: '#40739d',
    950: '#000000',
  },
}

SCSS

$custom: #40739d;
$custom-light: #7d9bba;
$custom-dark: #000000;

JSON

{
  "hex": "#40739d",
  "rgb": {
    "r": 64,
    "g": 115,
    "b": 157
  },
  "hsl": {
    "h": 207.097,
    "s": 42.081,
    "l": 43.333
  },
  "oklch": {
    "l": 0.53832,
    "c": 0.08611,
    "h": 245.2
  },
  "luminance": 0.15786
}

Semantic roles & 50–950 ramp

primary

#40739D

secondary

#B99A7F

accent

#8E56D2

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #40739D

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

Preview Lab → · Contrast checker → · Palette generator →