#28369F#28369F
#28369F is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.5% C 0.169 H 270.5°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).
Color values
| HEX | #28369F |
|---|---|
| RGB | rgb(40, 54, 159) |
| HSL | hsl(233, 60%, 39%) |
| HSV | hsv(233, 75%, 62%) |
| CMYK | cmyk(74.8%, 66%, 0%, 37.6%) |
| CIE-LAB | lab(28.36, 31.96, -58.44) |
| CIE-LCH | lch(28.36, 66.61, 298.67°) |
| OKLab | oklab(39.52% 0.0014 -0.169) |
| OKLCH | oklch(39.52% 0.169 270.5) |
| XYZ | xyz(8.4501, 5.5918, 33.4281) |
| Luminance | 0.0559 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.78
Blueberry
#464196
ΔE00 5.14
Blue Blue
#2242C7
ΔE00 6.19
Darkslateblue
#483D8B
ΔE00 6.22
Ocean Blue
#4F42B5
ΔE00 6.54
Cobalt
#0047AB
ΔE00 6.73
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#28369F #9F9128
analogous
#28729F #28369F #56289F
triadic
#28369F #9F2836 #369F28
tetradic
#28369F #9F2872 #9F9128 #289F56
square
#28369F #9F2872 #9F9128 #289F56
split-complementary
#28369F #9F5628 #729F28
monochromatic
#0F153D #1C256E #28369F #3749CD #6876D9
Accessibility & contrast
On white
9.91
#28369F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.12
#28369F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #28369F
9.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##28369F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##28369F | 1.00 | 9.91 | 2.12 | 9.91 |
| #FFFFFF | 9.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.12 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0049A2
Deuteranopia (green-blind)
#003D9D
Tritanopia (blue-blind)
#005265
Achromatopsia (no color)
#434343
Design tokens & code
CSS
--color: #28369f; /* rgb */ color: rgb(40, 54, 159); /* oklch */ color: oklch(39.5% 0.169 270.5);
Tailwind
colors: {
custom: {
50: '#756dbc',
500: '#28369f',
950: '#000000',
},
}SCSS
$custom: #28369f; $custom-light: #756dbc; $custom-dark: #000000;
JSON
{
"hex": "#28369f",
"rgb": {
"r": 40,
"g": 54,
"b": 159
},
"hsl": {
"h": 232.941,
"s": 59.799,
"l": 39.02
},
"oklch": {
"l": 0.39519,
"c": 0.16899,
"h": 270.5
},
"luminance": 0.05593
}Semantic roles & 50–950 ramp
primary
#28369F
secondary
#BFB464
accent
#D045E3
background
#F7F6FB
surface
#EEEBF7
border
#C9C6D0
text
#0A0712
muted
#7C7A81