#2B4AA6#2B4AA6
#2B4AA6 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.2% C 0.153 H 266.1°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).
Color values
| HEX | #2B4AA6 |
|---|---|
| RGB | rgb(43, 74, 166) |
| HSL | hsl(225, 59%, 41%) |
| HSV | hsv(225, 74%, 65%) |
| CMYK | cmyk(74.1%, 55.4%, 0%, 34.9%) |
| CIE-LAB | lab(34.32, 21.68, -52.93) |
| CIE-LCH | lch(34.32, 57.20, 292.27°) |
| OKLab | oklab(44.17% -0.0103 -0.1525) |
| OKLCH | oklch(44.17% 0.153 266.1) |
| XYZ | xyz(10.3256, 8.1632, 37.1005) |
| Luminance | 0.0816 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.51
Cobalt (survey)
#1E488F
ΔE00 3.96
Sapphire
#0F52BA
ΔE00 4.11
Blue Blue
#2242C7
ΔE00 5.41
Dusk Blue
#26538D
ΔE00 5.72
Sapphire (survey)
#2138AB
ΔE00 5.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B4AA6 #A6872B
analogous
#2B87A6 #2B4AA6 #492BA6
triadic
#2B4AA6 #A62B4A #4AA62B
tetradic
#2B4AA6 #A62B87 #A6872B #2BA649
square
#2B4AA6 #A62B87 #A6872B #2BA649
split-complementary
#2B4AA6 #A6492B #87A62B
monochromatic
#121F45 #1E3475 #2B4AA6 #4164CE #718CDA
Accessibility & contrast
On white
7.98
#2B4AA6 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#2B4AA6 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B4AA6
7.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B4AA6 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B4AA6 | 1.00 | 7.98 | 2.63 | 7.98 |
| #FFFFFF | 7.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057A9
Deuteranopia (green-blind)
#004BA4
Tritanopia (blue-blind)
#006070
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #2b4aa6; /* rgb */ color: rgb(43, 74, 166); /* oklch */ color: oklch(44.2% 0.153 266.1);
Tailwind
colors: {
custom: {
50: '#767cc1',
500: '#2b4aa6',
950: '#000000',
},
}SCSS
$custom: #2b4aa6; $custom-light: #767cc1; $custom-dark: #000000;
JSON
{
"hex": "#2b4aa6",
"rgb": {
"r": 43,
"g": 74,
"b": 166
},
"hsl": {
"h": 224.878,
"s": 58.852,
"l": 40.98
},
"oklch": {
"l": 0.44173,
"c": 0.15285,
"h": 266.1
},
"luminance": 0.08164
}Semantic roles & 50–950 ramp
primary
#2B4AA6
secondary
#C1AC6B
accent
#BB46E2
background
#F7F7FC
surface
#EEEEF8
border
#C9C9D1
text
#0A0912
muted
#7C7B81