#31639E#31639E

#31639E is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 49.4% C 0.109 H 254.1°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#31639E
RGB	rgb(49, 99, 158)
HSL	hsl(212, 53%, 41%)
HSV	hsv(212, 69%, 62%)
CMYK	cmyk(69%, 37.3%, 0%, 38%)
CIE-LAB	lab(41.29, 3.20, -36.97)
CIE-LCH	lch(41.29, 37.11, 274.94°)
OKLab	oklab(49.43% -0.03 -0.1051)
OKLCH	oklch(49.43% 0.109 254.1)
XYZ	xyz(11.8978, 12.0440, 34.0388)
Luminance	0.1205 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31639E #9E6C31

analogous

#31999E #31639E #35319E

triadic

#31639E #9E3163 #639E31

tetradic

#31639E #9E3199 #9E6C31 #319E35

square

#31639E #9E3199 #9E6C31 #319E35

split-complementary

#31639E #9E3531 #999E31

monochromatic

#142841 #23466F #31639E #4681C6 #75A1D4

Accessibility & contrast

On white

6.16

#31639E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#31639E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31639E

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31639E	#FFFFFF	#000000	##FFFFFF
##31639E	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4967A0

Deuteranopia (green-blind)

#395D9D

Tritanopia (blue-blind)

#007179

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #31639e;
/* rgb */ color: rgb(49, 99, 158);
/* oklch */ color: oklch(49.4% 0.109 254.1);

Tailwind

colors: {
  custom: {
    50: '#768fbb',
    500: '#31639e',
    950: '#000000',
  },
}

SCSS

$custom: #31639e;
$custom-light: #768fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#31639e",
  "rgb": {
    "r": 49,
    "g": 99,
    "b": 158
  },
  "hsl": {
    "h": 212.477,
    "s": 52.657,
    "l": 40.588
  },
  "oklch": {
    "l": 0.4943,
    "c": 0.10927,
    "h": 254.1
  },
  "luminance": 0.12045
}

Semantic roles & 50–950 ramp

primary

#31639E

secondary

#BC996E

accent

#9A4CDC

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #31639E

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

Preview Lab → · Contrast checker → · Palette generator →