#2B4CA5#2B4CA5
#2B4CA5 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.5% C 0.149 H 265.4°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).
Color values
| HEX | #2B4CA5 |
|---|---|
| RGB | rgb(43, 76, 165) |
| HSL | hsl(224, 59%, 41%) |
| HSV | hsv(224, 74%, 65%) |
| CMYK | cmyk(73.9%, 53.9%, 0%, 35.3%) |
| CIE-LAB | lab(34.80, 19.96, -51.56) |
| CIE-LCH | lch(34.80, 55.29, 291.16°) |
| OKLab | oklab(44.51% -0.012 -0.1484) |
| OKLCH | oklch(44.51% 0.149 265.4) |
| XYZ | xyz(10.3698, 8.3980, 36.6645) |
| Luminance | 0.0840 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.62
Sapphire
#0F52BA
ΔE00 3.68
Cobalt (survey)
#1E488F
ΔE00 3.71
Dusk Blue
#26538D
ΔE00 5.07
Denim Blue
#3B5B92
ΔE00 5.79
Blue Blue
#2242C7
ΔE00 5.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B4CA5 #A5842B
analogous
#2B89A5 #2B4CA5 #472BA5
triadic
#2B4CA5 #A52B4C #4CA52B
tetradic
#2B4CA5 #A52B89 #A5842B #2BA547
square
#2B4CA5 #A52B89 #A5842B #2BA547
split-complementary
#2B4CA5 #A5472B #89A52B
monochromatic
#121F44 #1E3674 #2B4CA5 #4066CD #718DDA
Accessibility & contrast
On white
7.84
#2B4CA5 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.68
#2B4CA5 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B4CA5
7.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B4CA5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B4CA5 | 1.00 | 7.84 | 2.68 | 7.84 |
| #FFFFFF | 7.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.68 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0958A8
Deuteranopia (green-blind)
#004CA3
Tritanopia (blue-blind)
#006271
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #2b4ca5; /* rgb */ color: rgb(43, 76, 165); /* oklch */ color: oklch(44.5% 0.149 265.4);
Tailwind
colors: {
custom: {
50: '#757dc0',
500: '#2b4ca5',
950: '#000000',
},
}SCSS
$custom: #2b4ca5; $custom-light: #757dc0; $custom-dark: #000000;
JSON
{
"hex": "#2b4ca5",
"rgb": {
"r": 43,
"g": 76,
"b": 165
},
"hsl": {
"h": 223.77,
"s": 58.654,
"l": 40.784
},
"oklch": {
"l": 0.4451,
"c": 0.1489,
"h": 265.4
},
"luminance": 0.08399
}Semantic roles & 50–950 ramp
primary
#2B4CA5
secondary
#C1AA6B
accent
#B846E2
background
#F7F7FB
surface
#EEEEF7
border
#C9C9D0
text
#0A0912
muted
#7C7B81