#31759B#31759B

#31759B is a mid, moderate cyan. Relative luminance 0.157; OKLCH L 53.6% C 0.090 H 236.5°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#31759B
RGB	rgb(49, 117, 155)
HSL	hsl(202, 52%, 40%)
HSV	hsv(202, 68%, 61%)
CMYK	cmyk(68.4%, 24.5%, 0%, 39.2%)
CIE-LAB	lab(46.63, -8.82, -26.80)
CIE-LCH	lch(46.63, 28.21, 251.78°)
OKLab	oklab(53.6% -0.0499 -0.0753)
OKLCH	oklch(53.6% 0.09 236.5)
XYZ	xyz(13.5420, 15.7407, 33.3286)
Luminance	0.1574 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31759B #9B5731

analogous

#319B8C #31759B #31409B

triadic

#31759B #9B3175 #759B31

tetradic

#31759B #8C319B #9B5731 #409B31

square

#31759B #8C319B #9B5731 #409B31

split-complementary

#31759B #9B3140 #9B8C31

monochromatic

#142F3E #22526D #31759B #4597C4 #73B1D3

Accessibility & contrast

On white

5.06

#31759B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#31759B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31759B

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31759B	#FFFFFF	#000000	##FFFFFF
##31759B	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#63749D

Deuteranopia (green-blind)

#546A9A

Tritanopia (blue-blind)

#007F82

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #31759b;
/* rgb */ color: rgb(49, 117, 155);
/* oklch */ color: oklch(53.6% 0.090 236.5);

Tailwind

colors: {
  custom: {
    50: '#769cb8',
    500: '#31759b',
    950: '#000000',
  },
}

SCSS

$custom: #31759b;
$custom-light: #769cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#31759b",
  "rgb": {
    "r": 49,
    "g": 117,
    "b": 155
  },
  "hsl": {
    "h": 201.509,
    "s": 51.961,
    "l": 40
  },
  "oklch": {
    "l": 0.53595,
    "c": 0.09037,
    "h": 236.5
  },
  "luminance": 0.15742
}

Semantic roles & 50–950 ramp

primary

#31759B

secondary

#BB896D

accent

#804CDB

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #31759B

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

Preview Lab → · Contrast checker → · Palette generator →