#30369F#30369F
#30369F is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.0% C 0.167 H 273.5°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).
Color values
| HEX | #30369F |
|---|---|
| RGB | rgb(48, 54, 159) |
| HSL | hsl(237, 54%, 41%) |
| HSV | hsv(237, 70%, 62%) |
| CMYK | cmyk(69.8%, 66%, 0%, 37.6%) |
| CIE-LAB | lab(28.82, 32.95, -57.66) |
| CIE-LCH | lch(28.82, 66.41, 299.74°) |
| OKLab | oklab(39.98% 0.0102 -0.1665) |
| OKLCH | oklch(39.98% 0.167 273.5) |
| XYZ | xyz(8.7940, 5.7691, 33.4443) |
| Luminance | 0.0577 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.21
Blueberry
#464196
ΔE00 4.57
Darkslateblue
#483D8B
ΔE00 5.59
Ocean Blue
#4F42B5
ΔE00 5.90
Blue Blue
#2242C7
ΔE00 6.28
Cobalt
#0047AB
ΔE00 7.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#30369F #9F9930
analogous
#306D9F #30369F #61309F
triadic
#30369F #9F3036 #369F30
tetradic
#30369F #9F306D #9F9930 #309F61
square
#30369F #9F306D #9F9930 #309F61
split-complementary
#30369F #9F6130 #6D9F30
monochromatic
#141641 #222670 #30369F #454CC7 #747AD5
Accessibility & contrast
On white
9.75
#30369F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.15
#30369F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #30369F
9.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##30369F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##30369F | 1.00 | 9.75 | 2.15 | 9.75 |
| #FFFFFF | 9.75 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.15 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.75 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0049A2
Deuteranopia (green-blind)
#003F9D
Tritanopia (blue-blind)
#005165
Achromatopsia (no color)
#444444
Design tokens & code
CSS
--color: #30369f; /* rgb */ color: rgb(48, 54, 159); /* oklch */ color: oklch(40.0% 0.167 273.5);
Tailwind
colors: {
custom: {
50: '#786dbc',
500: '#30369f',
950: '#000000',
},
}SCSS
$custom: #30369f; $custom-light: #786dbc; $custom-dark: #000000;
JSON
{
"hex": "#30369f",
"rgb": {
"r": 48,
"g": 54,
"b": 159
},
"hsl": {
"h": 236.757,
"s": 53.623,
"l": 40.588
},
"oklch": {
"l": 0.39982,
"c": 0.16681,
"h": 273.5
},
"luminance": 0.0577
}Semantic roles & 50–950 ramp
primary
#30369F
secondary
#BDB96E
accent
#D54BDD
background
#F7F6FB
surface
#EEEBF7
border
#C9C6D0
text
#0A0712
muted
#7C7A81