#28429C#28429C
#28429C is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.6% C 0.150 H 267.2°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).
Color values
| HEX | #28429C |
|---|---|
| RGB | rgb(40, 66, 156) |
| HSL | hsl(227, 59%, 38%) |
| HSV | hsv(227, 74%, 61%) |
| CMYK | cmyk(74.4%, 57.7%, 0%, 38.8%) |
| CIE-LAB | lab(31.22, 22.83, -51.94) |
| CIE-LCH | lch(31.22, 56.74, 293.73°) |
| OKLab | oklab(41.56% -0.0072 -0.1498) |
| OKLCH | oklch(41.56% 0.15 267.2) |
| XYZ | xyz(8.8219, 6.7469, 32.2834) |
| Luminance | 0.0675 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 3.53
Cobalt (survey)
#1E488F
ΔE00 4.06
Sapphire (survey)
#2138AB
ΔE00 4.11
Blueberry
#464196
ΔE00 5.08
Darkish Blue
#014182
ΔE00 5.92
Blue Blue
#2242C7
ΔE00 5.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#28429C #9C8228
analogous
#287C9C #28429C #48289C
triadic
#28429C #9C2842 #429C28
tetradic
#28429C #9C287C #9C8228 #289C48
square
#28429C #9C287C #9C8228 #289C48
split-complementary
#28429C #9C4828 #7C9C28
monochromatic
#0F193B #1C2D6B #28429C #3657CB #6780D8
Accessibility & contrast
On white
8.94
#28429C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.35
#28429C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #28429C
8.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##28429C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##28429C | 1.00 | 8.94 | 2.35 | 8.94 |
| #FFFFFF | 8.94 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.35 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.94 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004F9F
Deuteranopia (green-blind)
#00449A
Tritanopia (blue-blind)
#005868
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #28429c; /* rgb */ color: rgb(40, 66, 156); /* oklch */ color: oklch(41.6% 0.150 267.2);
Tailwind
colors: {
custom: {
50: '#7376ba',
500: '#28429c',
950: '#000000',
},
}SCSS
$custom: #28429c; $custom-light: #7376ba; $custom-dark: #000000;
JSON
{
"hex": "#28429c",
"rgb": {
"r": 40,
"g": 66,
"b": 156
},
"hsl": {
"h": 226.552,
"s": 59.184,
"l": 38.431
},
"oklch": {
"l": 0.41563,
"c": 0.14995,
"h": 267.2
},
"luminance": 0.06748
}Semantic roles & 50–950 ramp
primary
#28429C
secondary
#BEA962
accent
#BF45E2
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#090812
muted
#7B7B81