#2528C4#2528C4
#2528C4 is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 41.2% C 0.229 H 269.7°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).
Color values
| HEX | #2528C4 |
|---|---|
| RGB | rgb(37, 40, 196) |
| HSL | hsl(239, 68%, 46%) |
| HSV | hsv(239, 81%, 77%) |
| CMYK | cmyk(81.1%, 79.6%, 0%, 23.1%) |
| CIE-LAB | lab(29.15, 52.58, -79.24) |
| CIE-LCH | lch(29.15, 95.09, 303.57°) |
| OKLab | oklab(41.19% -0.0011 -0.2295) |
| OKLCH | oklch(41.19% 0.229 269.7) |
| XYZ | xyz(11.4822, 5.8951, 52.7466) |
| Luminance | 0.0590 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
True Blue
#010FCC
ΔE00 3.72
Indigo Blue
#3A18B1
ΔE00 4.15
Ultramarine Blue
#1805DB
ΔE00 4.30
Pure Blue
#0203E2
ΔE00 4.64
Mediumblue
#0000CD
ΔE00 4.79
Violet Blue
#510AC9
ΔE00 5.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2528C4 #C4C125
analogous
#2577C4 #2528C4 #7125C4
triadic
#2528C4 #C42528 #28C425
tetradic
#2528C4 #C42577 #C4C125 #25C471
square
#2528C4 #C42577 #C4C125 #25C471
split-complementary
#2528C4 #C47125 #77C425
monochromatic
#12135D #1B1D91 #2528C4 #494CDD #7D7FE6
Accessibility & contrast
On white
9.64
#2528C4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.18
#2528C4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2528C4
9.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2528C4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2528C4 | 1.00 | 9.64 | 2.18 | 9.64 |
| #FFFFFF | 9.64 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.64 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004DC8
Deuteranopia (green-blind)
#003CC1
Tritanopia (blue-blind)
#005976
Achromatopsia (no color)
#454545
Design tokens & code
CSS
--color: #2528c4; /* rgb */ color: rgb(37, 40, 196); /* oklch */ color: oklch(41.2% 0.229 269.7);
Tailwind
colors: {
custom: {
50: '#7e65d7',
500: '#2528c4',
950: '#000000',
},
}SCSS
$custom: #2528c4; $custom-light: #7e65d7; $custom-dark: #000000;
JSON
{
"hex": "#2528c4",
"rgb": {
"r": 37,
"g": 40,
"b": 196
},
"hsl": {
"h": 238.868,
"s": 68.24,
"l": 45.686
},
"oklch": {
"l": 0.41186,
"c": 0.22947,
"h": 269.7
},
"luminance": 0.05896
}Semantic roles & 50–950 ramp
primary
#2528C4
secondary
#CFCD76
accent
#E83DEB
background
#F8F6FD
surface
#F0EBFB
border
#CBC6D4
text
#0C0615
muted
#7D7A83