#31608B#31608B

#31608B is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.6% C 0.087 H 248.2°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#31608B
RGB	rgb(49, 96, 139)
HSL	hsl(209, 48%, 37%)
HSV	hsv(209, 65%, 55%)
CMYK	cmyk(64.7%, 30.9%, 0%, 45.5%)
CIE-LAB	lab(39.38, -1.82, -28.58)
CIE-LCH	lch(39.38, 28.64, 266.36°)
OKLab	oklab(47.61% -0.0323 -0.0806)
OKLCH	oklch(47.61% 0.087 248.2)
XYZ	xyz(10.1080, 10.8818, 25.9888)
Luminance	0.1088 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31608B #8B5C31

analogous

#318B89 #31608B #31338B

triadic

#31608B #8B3160 #608B31

tetradic

#31608B #89318B #8B5C31 #338B31

square

#31608B #89318B #8B5C31 #338B31

split-complementary

#31608B #8B3133 #8B8931

monochromatic

#112131 #21415E #31608B #417FB8 #6B9DCB

Accessibility & contrast

On white

6.61

#31608B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#31608B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31608B

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31608B	#FFFFFF	#000000	##FFFFFF
##31608B	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D628D

Deuteranopia (green-blind)

#41598A

Tritanopia (blue-blind)

#006A6F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #31608b;
/* rgb */ color: rgb(49, 96, 139);
/* oklch */ color: oklch(47.6% 0.087 248.2);

Tailwind

colors: {
  custom: {
    50: '#728cad',
    500: '#31608b',
    950: '#000000',
  },
}

SCSS

$custom: #31608b;
$custom-light: #728cad;
$custom-dark: #000000;

JSON

{
  "hex": "#31608b",
  "rgb": {
    "r": 49,
    "g": 96,
    "b": 139
  },
  "hsl": {
    "h": 208.667,
    "s": 47.872,
    "l": 36.863
  },
  "oklch": {
    "l": 0.47612,
    "c": 0.08685,
    "h": 248.2
  },
  "luminance": 0.10883
}

Semantic roles & 50–950 ramp

primary

#31608B

secondary

#B28A65

accent

#9150D7

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080C10

muted

#7B7D7F

Preview Lab

Preview with #31608B

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

Preview Lab → · Contrast checker → · Palette generator →