#2D528B#2D528B
#2D528B is a dark, moderate blue. Relative luminance 0.085; OKLCH L 44.1% C 0.103 H 258.8°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).
Color values
| HEX | #2D528B |
|---|---|
| RGB | rgb(45, 82, 139) |
| HSL | hsl(216, 51%, 36%) |
| HSV | hsv(216, 68%, 55%) |
| CMYK | cmyk(67.6%, 41%, 0%, 45.5%) |
| CIE-LAB | lab(34.91, 6.38, -35.64) |
| CIE-LCH | lch(34.91, 36.21, 280.14°) |
| OKLab | oklab(44.07% -0.0201 -0.1015) |
| OKLCH | oklch(44.07% 0.103 258.8) |
| XYZ | xyz(8.7580, 8.4557, 25.5917) |
| Luminance | 0.0846 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusk Blue
#26538D
ΔE00 1.27
Denim Blue
#3B5B92
ΔE00 3.25
Cobalt (survey)
#1E488F
ΔE00 3.39
Light Navy Blue
#2E5A88
ΔE00 3.45
Light Navy
#155084
ΔE00 3.52
Dusky Blue
#475F94
ΔE00 5.40
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2D528B #8B662D
analogous
#2D818B #2D528B #372D8B
triadic
#2D528B #8B2D52 #528B2D
tetradic
#2D528B #8B2D81 #8B662D #2D8B37
square
#2D528B #8B2D81 #8B662D #2D8B37
split-complementary
#2D528B #8B372D #818B2D
monochromatic
#0F1B2F #1E375D #2D528B #3C6DB9 #658ECD
Accessibility & contrast
On white
7.80
#2D528B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.69
#2D528B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2D528B
7.80:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2D528B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2D528B | 1.00 | 7.80 | 2.69 | 7.80 |
| #FFFFFF | 7.80 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.69 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.80 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#38578D
Deuteranopia (green-blind)
#2A4E8A
Tritanopia (blue-blind)
#005F67
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #2d528b; /* rgb */ color: rgb(45, 82, 139); /* oklch */ color: oklch(44.1% 0.103 258.8);
Tailwind
colors: {
custom: {
50: '#7082ad',
500: '#2d528b',
950: '#000000',
},
}SCSS
$custom: #2d528b; $custom-light: #7082ad; $custom-dark: #000000;
JSON
{
"hex": "#2d528b",
"rgb": {
"r": 45,
"g": 82,
"b": 139
},
"hsl": {
"h": 216.383,
"s": 51.087,
"l": 36.078
},
"oklch": {
"l": 0.44073,
"c": 0.10347,
"h": 258.8
},
"luminance": 0.08457
}Semantic roles & 50–950 ramp
primary
#2D528B
secondary
#B49360
accent
#A34DDB
background
#F7F7FA
surface
#EDEEF4
border
#C8C9CE
text
#080A10
muted
#7B7C7F