#313499#313499
#313499 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.1% C 0.161 H 274.8°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).
Color values
| HEX | #313499 |
|---|---|
| RGB | rgb(49, 52, 153) |
| HSL | hsl(238, 51%, 40%) |
| HSV | hsv(238, 68%, 60%) |
| CMYK | cmyk(68%, 66%, 0%, 40%) |
| CIE-LAB | lab(27.87, 32.23, -55.57) |
| CIE-LCH | lch(27.87, 64.24, 300.11°) |
| OKLab | oklab(39.14% 0.0134 -0.1604) |
| OKLCH | oklch(39.14% 0.161 274.8) |
| XYZ | xyz(8.2425, 5.4081, 30.7403) |
| Luminance | 0.0541 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 3.14
Blueberry
#464196
ΔE00 4.61
Darkslateblue
#483D8B
ΔE00 5.20
Ocean Blue
#4F42B5
ΔE00 6.55
Indigo Blue
#3A18B1
ΔE00 7.27
Blue Blue
#2242C7
ΔE00 7.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#313499 #999631
analogous
#316899 #313499 #623199
triadic
#313499 #993134 #349931
tetradic
#313499 #993168 #999631 #319962
square
#313499 #993168 #999631 #319962
split-complementary
#313499 #996231 #689931
monochromatic
#13143C #22246B #313499 #4448C3 #7275D2
Accessibility & contrast
On white
10.09
#313499 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.08
#313499 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #313499
10.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##313499 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##313499 | 1.00 | 10.09 | 2.08 | 10.09 |
| #FFFFFF | 10.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.08 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00469C
Deuteranopia (green-blind)
#003D97
Tritanopia (blue-blind)
#004E61
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #313499; /* rgb */ color: rgb(49, 52, 153); /* oklch */ color: oklch(39.1% 0.161 274.8);
Tailwind
colors: {
custom: {
50: '#776cb8',
500: '#313499',
950: '#000000',
},
}SCSS
$custom: #313499; $custom-light: #776cb8; $custom-dark: #000000;
JSON
{
"hex": "#313499",
"rgb": {
"r": 49,
"g": 52,
"b": 153
},
"hsl": {
"h": 238.269,
"s": 51.485,
"l": 39.608
},
"oklch": {
"l": 0.39137,
"c": 0.16092,
"h": 274.8
},
"luminance": 0.05409
}Semantic roles & 50–950 ramp
primary
#313499
secondary
#BAB86C
accent
#D74DDB
background
#F7F6FB
surface
#EEEBF6
border
#C9C6D0
text
#0A0711
muted
#7C7A80