#31709B#31709B

#31709B is a mid, moderate cyan. Relative luminance 0.146; OKLCH L 52.4% C 0.094 H 241.6°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#31709B
RGB	rgb(49, 112, 155)
HSL	hsl(204, 52%, 40%)
HSV	hsv(204, 68%, 61%)
CMYK	cmyk(68.4%, 27.7%, 0%, 39.2%)
CIE-LAB	lab(45.09, -5.87, -29.20)
CIE-LCH	lch(45.09, 29.79, 258.63°)
OKLab	oklab(52.37% -0.0446 -0.0823)
OKLCH	oklch(52.37% 0.094 241.6)
XYZ	xyz(12.9749, 14.6065, 33.1395)
Luminance	0.1461 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31709B #9B5C31

analogous

#319B91 #31709B #313B9B

triadic

#31709B #9B3170 #709B31

tetradic

#31709B #91319B #9B5C31 #3B9B31

square

#31709B #91319B #9B5C31 #3B9B31

split-complementary

#31709B #9B313B #9B9131

monochromatic

#142D3E #224E6D #31709B #4591C4 #73ACD3

Accessibility & contrast

On white

5.35

#31709B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#31709B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31709B

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31709B	#FFFFFF	#000000	##FFFFFF
##31709B	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C709D

Deuteranopia (green-blind)

#4E669A

Tritanopia (blue-blind)

#007B7F

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #31709b;
/* rgb */ color: rgb(49, 112, 155);
/* oklch */ color: oklch(52.4% 0.094 241.6);

Tailwind

colors: {
  custom: {
    50: '#7598b8',
    500: '#31709b',
    950: '#000000',
  },
}

SCSS

$custom: #31709b;
$custom-light: #7598b8;
$custom-dark: #000000;

JSON

{
  "hex": "#31709b",
  "rgb": {
    "r": 49,
    "g": 112,
    "b": 155
  },
  "hsl": {
    "h": 204.34,
    "s": 51.961,
    "l": 40
  },
  "oklch": {
    "l": 0.52372,
    "c": 0.09361,
    "h": 241.6
  },
  "luminance": 0.14608
}

Semantic roles & 50–950 ramp

primary

#31709B

secondary

#BB8D6D

accent

#864CDB

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #31709B

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

Preview Lab → · Contrast checker → · Palette generator →