#40799B#40799B

#40799B is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.2% C 0.080 H 236.8°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#40799B
RGB	rgb(64, 121, 155)
HSL	hsl(202, 42%, 43%)
HSV	hsv(202, 59%, 61%)
CMYK	cmyk(58.7%, 21.9%, 0%, 39.2%)
CIE-LAB	lab(48.42, -8.29, -23.98)
CIE-LCH	lch(48.42, 25.37, 250.92°)
OKLab	oklab(55.17% -0.0438 -0.067)
OKLCH	oklch(55.17% 0.08 236.8)
XYZ	xyz(14.8659, 17.1299, 33.5270)
Luminance	0.1713 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40799B #9B6240

analogous

#409B90 #40799B #404B9B

triadic

#40799B #9B4079 #799B40

tetradic

#40799B #90409B #9B6240 #4B9B40

square

#40799B #90409B #9B6240 #4B9B40

split-complementary

#40799B #9B404B #9B9040

monochromatic

#1C3544 #2E5770 #40799B #5C98BC #88B4CE

Accessibility & contrast

On white

4.74

#40799B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#40799B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40799B

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40799B	#FFFFFF	#000000	##FFFFFF
##40799B	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69789D

Deuteranopia (green-blind)

#5D6F9A

Tritanopia (blue-blind)

#008284

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #40799b;
/* rgb */ color: rgb(64, 121, 155);
/* oklch */ color: oklch(55.2% 0.080 236.8);

Tailwind

colors: {
  custom: {
    50: '#7d9fb8',
    500: '#40799b',
    950: '#000000',
  },
}

SCSS

$custom: #40799b;
$custom-light: #7d9fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#40799b",
  "rgb": {
    "r": 64,
    "g": 121,
    "b": 155
  },
  "hsl": {
    "h": 202.418,
    "s": 41.553,
    "l": 42.941
  },
  "oklch": {
    "l": 0.55174,
    "c": 0.08006,
    "h": 236.8
  },
  "luminance": 0.17131
}

Semantic roles & 50–950 ramp

primary

#40799B

secondary

#B8947E

accent

#8456D1

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #40799B

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

Preview Lab → · Contrast checker → · Palette generator →