#23529B#23529B
#23529B is a dark, vivid blue. Relative luminance 0.088; OKLCH L 44.7% C 0.130 H 259.1°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).
Color values
| HEX | #23529B |
|---|---|
| RGB | rgb(35, 82, 155) |
| HSL | hsl(217, 63%, 37%) |
| HSV | hsv(217, 77%, 61%) |
| CMYK | cmyk(77.4%, 47.1%, 0%, 39.2%) |
| CIE-LAB | lab(35.51, 11.01, -44.42) |
| CIE-LCH | lch(35.51, 45.76, 283.93°) |
| OKLab | oklab(44.75% -0.0245 -0.1274) |
| OKLCH | oklch(44.75% 0.13 259.1) |
| XYZ | xyz(9.6247, 8.7574, 32.1871) |
| Luminance | 0.0876 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusk Blue
#26538D
ΔE00 1.92
Cobalt (survey)
#1E488F
ΔE00 3.47
Denim Blue
#3B5B92
ΔE00 3.75
Sapphire
#0F52BA
ΔE00 3.84
Light Navy Blue
#2E5A88
ΔE00 3.96
Light Navy
#155084
ΔE00 4.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#23529B #9B6C23
analogous
#238E9B #23529B #30239B
triadic
#23529B #9B2352 #529B23
tetradic
#23529B #9B238E #9B6C23 #239B30
square
#23529B #9B238E #9B6C23 #239B30
split-complementary
#23529B #9B3023 #8E9B23
monochromatic
#0C1D37 #183869 #23529B #2E6CCD #5E8FDB
Accessibility & contrast
On white
7.63
#23529B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.75
#23529B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #23529B
7.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##23529B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##23529B | 1.00 | 7.63 | 2.75 | 7.63 |
| #FFFFFF | 7.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2B599E
Deuteranopia (green-blind)
#0D4E9A
Tritanopia (blue-blind)
#00636F
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #23529b; /* rgb */ color: rgb(35, 82, 155); /* oklch */ color: oklch(44.7% 0.130 259.1);
Tailwind
colors: {
custom: {
50: '#7082b9',
500: '#23529b',
950: '#000000',
},
}SCSS
$custom: #23529b; $custom-light: #7082b9; $custom-dark: #000000;
JSON
{
"hex": "#23529b",
"rgb": {
"r": 35,
"g": 82,
"b": 155
},
"hsl": {
"h": 216.5,
"s": 63.158,
"l": 37.255
},
"oklch": {
"l": 0.44747,
"c": 0.12977,
"h": 259.1
},
"luminance": 0.08758
}Semantic roles & 50–950 ramp
primary
#23529B
secondary
#BF985A
accent
#A642E6
background
#F7F7FB
surface
#EDEEF6
border
#C8C9D0
text
#090A11
muted
#7B7C80