#2B538E#2B538E
#2B538E is a dark, moderate blue. Relative luminance 0.087; OKLCH L 44.4% C 0.107 H 258.1°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).
Color values
| HEX | #2B538E |
|---|---|
| RGB | rgb(43, 83, 142) |
| HSL | hsl(216, 54%, 36%) |
| HSV | hsv(216, 70%, 56%) |
| CMYK | cmyk(69.7%, 41.5%, 0%, 44.3%) |
| CIE-LAB | lab(35.31, 6.50, -36.85) |
| CIE-LCH | lch(35.31, 37.42, 280.00°) |
| OKLab | oklab(44.41% -0.0221 -0.1051) |
| OKLCH | oklch(44.41% 0.107 258.1) |
| XYZ | xyz(8.9702, 8.6522, 26.7832) |
| Luminance | 0.0865 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusk Blue
#26538D
ΔE00 0.84
Denim Blue
#3B5B92
ΔE00 3.08
Light Navy Blue
#2E5A88
ΔE00 3.10
Light Navy
#155084
ΔE00 3.35
Cobalt (survey)
#1E488F
ΔE00 3.64
Sapphire
#0F52BA
ΔE00 5.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B538E #8E662B
analogous
#2B858E #2B538E #352B8E
triadic
#2B538E #8E2B53 #538E2B
tetradic
#2B538E #8E2B85 #8E662B #2B8E35
square
#2B538E #8E2B85 #8E662B #2B8E35
split-complementary
#2B538E #8E352B #858E2B
monochromatic
#0F1C30 #1D385F #2B538E #396EBD #638FD0
Accessibility & contrast
On white
7.69
#2B538E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.73
#2B538E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B538E
7.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B538E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B538E | 1.00 | 7.69 | 2.73 | 7.69 |
| #FFFFFF | 7.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.73 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#385890
Deuteranopia (green-blind)
#284F8D
Tritanopia (blue-blind)
#006169
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #2b538e; /* rgb */ color: rgb(43, 83, 142); /* oklch */ color: oklch(44.4% 0.107 258.1);
Tailwind
colors: {
custom: {
50: '#7082af',
500: '#2b538e',
950: '#000000',
},
}SCSS
$custom: #2b538e; $custom-light: #7082af; $custom-dark: #000000;
JSON
{
"hex": "#2b538e",
"rgb": {
"r": 43,
"g": 83,
"b": 142
},
"hsl": {
"h": 215.758,
"s": 53.514,
"l": 36.275
},
"oklch": {
"l": 0.4441,
"c": 0.10738,
"h": 258.1
},
"luminance": 0.08653
}Semantic roles & 50–950 ramp
primary
#2B538E
secondary
#B6935F
accent
#A24BDD
background
#F7F7FA
surface
#EDEEF4
border
#C8C9CE
text
#080A10
muted
#7B7C7F