#31609B#31609B

#31609B is a mid, moderate cyan. Relative luminance 0.114; OKLCH L 48.5% C 0.108 H 255.2°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#31609B
RGB	rgb(49, 96, 155)
HSL	hsl(213, 52%, 40%)
HSV	hsv(213, 68%, 61%)
CMYK	cmyk(68.4%, 38.1%, 0%, 39.2%)
CIE-LAB	lab(40.22, 3.99, -36.87)
CIE-LCH	lch(40.22, 37.09, 276.18°)
OKLab	oklab(48.55% -0.0277 -0.1048)
OKLCH	oklch(48.55% 0.108 255.2)
XYZ	xyz(11.3637, 11.3841, 32.6025)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31609B #9B6C31

analogous

#31959B #31609B #37319B

triadic

#31609B #9B3160 #609B31

tetradic

#31609B #9B3195 #9B6C31 #319B37

square

#31609B #9B3195 #9B6C31 #319B37

split-complementary

#31609B #9B3731 #959B31

monochromatic

#14263E #22436D #31609B #457DC4 #739ED3

Accessibility & contrast

On white

6.41

#31609B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#31609B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31609B

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31609B	#FFFFFF	#000000	##FFFFFF
##31609B	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46649D

Deuteranopia (green-blind)

#365A9A

Tritanopia (blue-blind)

#006E76

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #31609b;
/* rgb */ color: rgb(49, 96, 155);
/* oklch */ color: oklch(48.5% 0.108 255.2);

Tailwind

colors: {
  custom: {
    50: '#758cb9',
    500: '#31609b',
    950: '#000000',
  },
}

SCSS

$custom: #31609b;
$custom-light: #758cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#31609b",
  "rgb": {
    "r": 49,
    "g": 96,
    "b": 155
  },
  "hsl": {
    "h": 213.396,
    "s": 51.961,
    "l": 40
  },
  "oklch": {
    "l": 0.48545,
    "c": 0.10842,
    "h": 255.2
  },
  "luminance": 0.11385
}

Semantic roles & 50–950 ramp

primary

#31609B

secondary

#BB986D

accent

#9C4CDB

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090C11

muted

#7B7D80

Preview Lab

Preview with #31609B

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

Preview Lab → · Contrast checker → · Palette generator →