#31688F#31688F

#31688F is a mid, moderate cyan. Relative luminance 0.125; OKLCH L 49.8% C 0.085 H 242.1°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#31688F
RGB	rgb(49, 104, 143)
HSL	hsl(205, 49%, 38%)
HSV	hsv(205, 66%, 56%)
CMYK	cmyk(65.7%, 27.3%, 0%, 43.9%)
CIE-LAB	lab(42.05, -5.30, -26.80)
CIE-LCH	lch(42.05, 27.32, 258.81°)
OKLab	oklab(49.79% -0.0399 -0.0754)
OKLCH	oklch(49.79% 0.085 242.1)
XYZ	xyz(11.1730, 12.5356, 27.8121)
Luminance	0.1254 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31688F #8F5831

analogous

#318F87 #31688F #31398F

triadic

#31688F #8F3168 #688F31

tetradic

#31688F #87318F #8F5831 #398F31

square

#31688F #87318F #8F5831 #398F31

split-complementary

#31688F #8F3139 #8F8731

monochromatic

#122634 #214761 #31688F #4189BD #6DA5CD

Accessibility & contrast

On white

5.99

#31688F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#31688F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31688F

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31688F	#FFFFFF	#000000	##FFFFFF
##31688F	1.00	5.99	3.51	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566891

Deuteranopia (green-blind)

#4A5F8E

Tritanopia (blue-blind)

#007275

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #31688f;
/* rgb */ color: rgb(49, 104, 143);
/* oklch */ color: oklch(49.8% 0.085 242.1);

Tailwind

colors: {
  custom: {
    50: '#7393b0',
    500: '#31688f',
    950: '#000000',
  },
}

SCSS

$custom: #31688f;
$custom-light: #7393b0;
$custom-dark: #000000;

JSON

{
  "hex": "#31688f",
  "rgb": {
    "r": 49,
    "g": 104,
    "b": 143
  },
  "hsl": {
    "h": 204.894,
    "s": 48.958,
    "l": 37.647
  },
  "oklch": {
    "l": 0.49786,
    "c": 0.08534,
    "h": 242.1
  },
  "luminance": 0.12537
}

Semantic roles & 50–950 ramp

primary

#31688F

secondary

#B58767

accent

#884FD9

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#090D10

muted

#7B7E7F

Preview Lab

Preview with #31688F

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

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