#31739A#31739A

#31739A is a mid, moderate cyan. Relative luminance 0.152; OKLCH L 53.1% C 0.090 H 237.9°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#31739A
RGB	rgb(49, 115, 154)
HSL	hsl(202, 52%, 40%)
HSV	hsv(202, 68%, 60%)
CMYK	cmyk(68.2%, 25.3%, 0%, 39.6%)
CIE-LAB	lab(45.97, -8.00, -27.24)
CIE-LCH	lch(45.97, 28.39, 253.64°)
OKLab	oklab(53.05% -0.0481 -0.0766)
OKLCH	oklch(53.05% 0.09 237.9)
XYZ	xyz(13.2278, 15.2461, 32.8113)
Luminance	0.1525 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31739A #9A5831

analogous

#319A8D #31739A #313E9A

triadic

#31739A #9A3173 #739A31

tetradic

#31739A #8D319A #9A5831 #3E9A31

square

#31739A #8D319A #9A5831 #3E9A31

split-complementary

#31739A #9A313E #9A8D31

monochromatic

#132E3D #22506C #31739A #4594C4 #73AFD2

Accessibility & contrast

On white

5.19

#31739A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#31739A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31739A

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31739A	#FFFFFF	#000000	##FFFFFF
##31739A	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61739C

Deuteranopia (green-blind)

#526899

Tritanopia (blue-blind)

#007D80

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #31739a;
/* rgb */ color: rgb(49, 115, 154);
/* oklch */ color: oklch(53.1% 0.090 237.9);

Tailwind

colors: {
  custom: {
    50: '#759bb8',
    500: '#31739a',
    950: '#000000',
  },
}

SCSS

$custom: #31739a;
$custom-light: #759bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#31739a",
  "rgb": {
    "r": 49,
    "g": 115,
    "b": 154
  },
  "hsl": {
    "h": 202.286,
    "s": 51.724,
    "l": 39.804
  },
  "oklch": {
    "l": 0.53054,
    "c": 0.09048,
    "h": 237.9
  },
  "luminance": 0.15248
}

Semantic roles & 50–950 ramp

primary

#31739A

secondary

#BA896C

accent

#824DDB

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #31739A

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

Preview Lab → · Contrast checker → · Palette generator →