#2F359D#2F359D
#2F359D is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.6% C 0.166 H 273.4°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).
Color values
| HEX | #2F359D |
|---|---|
| RGB | rgb(47, 53, 157) |
| HSL | hsl(237, 54%, 40%) |
| HSV | hsv(237, 70%, 62%) |
| CMYK | cmyk(70.1%, 66.2%, 0%, 38.4%) |
| CIE-LAB | lab(28.34, 32.74, -57.24) |
| CIE-LCH | lch(28.34, 65.94, 299.77°) |
| OKLab | oklab(39.56% 0.0099 -0.1653) |
| OKLCH | oklch(39.56% 0.166 273.4) |
| XYZ | xyz(8.5292, 5.5841, 32.5201) |
| Luminance | 0.0558 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.45
Blueberry
#464196
ΔE00 4.71
Darkslateblue
#483D8B
ΔE00 5.58
Ocean Blue
#4F42B5
ΔE00 6.25
Blue Blue
#2242C7
ΔE00 6.64
Indigo Blue
#3A18B1
ΔE00 7.29
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2F359D #9D972F
analogous
#2F6C9D #2F359D #602F9D
triadic
#2F359D #9D2F35 #359D2F
tetradic
#2F359D #9D2F6C #9D972F #2F9D60
square
#2F359D #9D2F6C #9D972F #2F9D60
split-complementary
#2F359D #9D602F #6C9D2F
monochromatic
#13153F #21256E #2F359D #434AC7 #7277D5
Accessibility & contrast
On white
9.92
#2F359D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.12
#2F359D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2F359D
9.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2F359D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2F359D | 1.00 | 9.92 | 2.12 | 9.92 |
| #FFFFFF | 9.92 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.12 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.92 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0048A0
Deuteranopia (green-blind)
#003E9B
Tritanopia (blue-blind)
#005064
Achromatopsia (no color)
#434343
Design tokens & code
CSS
--color: #2f359d; /* rgb */ color: rgb(47, 53, 157); /* oklch */ color: oklch(39.6% 0.166 273.4);
Tailwind
colors: {
custom: {
50: '#776cbb',
500: '#2f359d',
950: '#000000',
},
}SCSS
$custom: #2f359d; $custom-light: #776cbb; $custom-dark: #000000;
JSON
{
"hex": "#2f359d",
"rgb": {
"r": 47,
"g": 53,
"b": 157
},
"hsl": {
"h": 236.727,
"s": 53.922,
"l": 40
},
"oklch": {
"l": 0.39557,
"c": 0.16561,
"h": 273.4
},
"luminance": 0.05585
}Semantic roles & 50–950 ramp
primary
#2F359D
secondary
#BCB86B
accent
#D54BDD
background
#F7F6FB
surface
#EEEBF6
border
#C9C6D0
text
#0A0712
muted
#7C7A81