#23319C#23319C
#23319C is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.1% C 0.172 H 269.8°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).
Color values
| HEX | #23319C |
|---|---|
| RGB | rgb(35, 49, 156) |
| HSL | hsl(233, 63%, 37%) |
| HSV | hsv(233, 78%, 61%) |
| CMYK | cmyk(77.6%, 68.6%, 0%, 38.8%) |
| CIE-LAB | lab(26.60, 33.56, -59.51) |
| CIE-LCH | lch(26.60, 68.32, 299.42°) |
| OKLab | oklab(38.08% -0.0005 -0.1722) |
| OKLCH | oklch(38.08% 0.172 269.8) |
| XYZ | xyz(7.7901, 4.9534, 31.9916) |
| Luminance | 0.0495 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.75
Blueberry
#464196
ΔE00 6.13
Royal
#0C1793
ΔE00 6.43
Darkslateblue
#483D8B
ΔE00 6.78
Indigo Blue
#3A18B1
ΔE00 7.03
Blue Blue
#2242C7
ΔE00 7.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#23319C #9C8E23
analogous
#236D9C #23319C #52239C
triadic
#23319C #9C2331 #319C23
tetradic
#23319C #9C236D #9C8E23 #239C52
square
#23319C #9C236D #9C8E23 #239C52
split-complementary
#23319C #9C5223 #6D9C23
monochromatic
#0D1238 #18216A #23319C #2E41CE #5E6DDB
Accessibility & contrast
On white
10.55
#23319C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.99
#23319C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #23319C
10.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##23319C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##23319C | 1.00 | 10.55 | 1.99 | 10.55 |
| #FFFFFF | 10.55 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.55 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00459F
Deuteranopia (green-blind)
#00399A
Tritanopia (blue-blind)
#004E62
Achromatopsia (no color)
#3F3F3F
Design tokens & code
CSS
--color: #23319c; /* rgb */ color: rgb(35, 49, 156); /* oklch */ color: oklch(38.1% 0.172 269.8);
Tailwind
colors: {
custom: {
50: '#7269ba',
500: '#23319c',
950: '#000000',
},
}SCSS
$custom: #23319c; $custom-light: #7269ba; $custom-dark: #000000;
JSON
{
"hex": "#23319c",
"rgb": {
"r": 35,
"g": 49,
"b": 156
},
"hsl": {
"h": 233.058,
"s": 63.351,
"l": 37.451
},
"oklch": {
"l": 0.38081,
"c": 0.17223,
"h": 269.8
},
"luminance": 0.04954
}Semantic roles & 50–950 ramp
primary
#23319C
secondary
#C0B45B
accent
#D341E6
background
#F7F6FB
surface
#EEEBF6
border
#C9C6D0
text
#090612
muted
#7B7A81