#2528AF#2528AF
#2528AF is a dark, highly saturated blue. Relative luminance 0.050; OKLCH L 38.8% C 0.205 H 270.8°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).
Color values
| HEX | #2528AF |
|---|---|
| RGB | rgb(37, 40, 175) |
| HSL | hsl(239, 65%, 42%) |
| HSV | hsv(239, 79%, 69%) |
| CMYK | cmyk(78.9%, 77.1%, 0%, 31.4%) |
| CIE-LAB | lab(26.75, 45.78, -70.75) |
| CIE-LCH | lch(26.75, 84.27, 302.91°) |
| OKLab | oklab(38.81% 0.0029 -0.2049) |
| OKLCH | oklch(38.81% 0.205 270.8) |
| XYZ | xyz(9.2570, 5.0050, 41.0273) |
| Luminance | 0.0501 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 3.65
Sapphire (survey)
#2138AB
ΔE00 4.47
True Blue
#010FCC
ΔE00 4.77
Cobalt Blue
#030AA7
ΔE00 5.45
Royal
#0C1793
ΔE00 5.56
Ultramarine
#2000B1
ΔE00 5.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2528AF #AFAC25
analogous
#256DAF #2528AF #6725AF
triadic
#2528AF #AF2528 #28AF25
tetradic
#2528AF #AF256D #AFAC25 #25AF67
square
#2528AF #AF256D #AFAC25 #25AF67
split-complementary
#2528AF #AF6725 #6DAF25
monochromatic
#10114A #1A1C7C #2528AF #3C3FD6 #6E71E0
Accessibility & contrast
On white
10.49
#2528AF on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.00
#2528AF on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2528AF
10.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2528AF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2528AF | 1.00 | 10.49 | 2.00 | 10.49 |
| #FFFFFF | 10.49 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.49 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0046B3
Deuteranopia (green-blind)
#0038AD
Tritanopia (blue-blind)
#00516A
Achromatopsia (no color)
#3F3F3F
Design tokens & code
CSS
--color: #2528af; /* rgb */ color: rgb(37, 40, 175); /* oklch */ color: oklch(38.8% 0.205 270.8);
Tailwind
colors: {
custom: {
50: '#7964c8',
500: '#2528af',
950: '#000000',
},
}SCSS
$custom: #2528af; $custom-light: #7964c8; $custom-dark: #000000;
JSON
{
"hex": "#2528af",
"rgb": {
"r": 37,
"g": 40,
"b": 175
},
"hsl": {
"h": 238.696,
"s": 65.094,
"l": 41.569
},
"oklch": {
"l": 0.38806,
"c": 0.2049,
"h": 270.8
},
"luminance": 0.05006
}Semantic roles & 50–950 ramp
primary
#2528AF
secondary
#C7C569
accent
#E440E8
background
#F8F6FC
surface
#EFEBF8
border
#CAC6D1
text
#0B0513
muted
#7C7A82