#3117B4#3117B4

#3117B4 is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 38.3% C 0.220 H 275.7°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#3117B4
RGB	rgb(49, 23, 180)
HSL	hsl(250, 77%, 40%)
HSV	hsv(250, 87%, 71%)
CMYK	cmyk(72.8%, 87.2%, 0%, 29.4%)
CIE-LAB	lab(25.44, 55.89, -75.89)
CIE-LCH	lch(25.44, 94.25, 306.37°)
OKLab	oklab(38.27% 0.0219 -0.2192)
OKLCH	oklch(38.27% 0.22 275.7)
XYZ	xyz(9.8085, 4.5601, 43.5344)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3117B4 #9AB417

analogous

#174CB4 #3117B4 #7F17B4

triadic

#3117B4 #B43117 #17B431

tetradic

#3117B4 #B4174C #9AB417 #17B47F

square

#3117B4 #B4174C #9AB417 #17B47F

split-complementary

#3117B4 #B47F17 #4CB417

monochromatic

#130947 #22107E #3117B4 #4525E3 #735BEA

Accessibility & contrast

On white

10.98

#3117B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#3117B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3117B4

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3117B4	#FFFFFF	#000000	##FFFFFF
##3117B4	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B8

Deuteranopia (green-blind)

#0035B1

Tritanopia (blue-blind)

#004C6A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3117b4;
/* rgb */ color: rgb(49, 23, 180);
/* oklch */ color: oklch(38.3% 0.220 275.7);

Tailwind

colors: {
  custom: {
    50: '#7f5dcc',
    500: '#3117b4',
    950: '#000000',
  },
}

SCSS

$custom: #3117b4;
$custom-light: #7f5dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3117b4",
  "rgb": {
    "r": 49,
    "g": 23,
    "b": 180
  },
  "hsl": {
    "h": 249.936,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38273,
    "c": 0.22034,
    "h": 275.7
  },
  "luminance": 0.04561
}

Semantic roles & 50–950 ramp

primary

#3117B4

secondary

#BACE59

accent

#F434D4

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #3117B4

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

Preview Lab → · Contrast checker → · Palette generator →