#2143A6#2143A6
#2143A6 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.3% C 0.164 H 265.3°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).
Color values
| HEX | #2143A6 |
|---|---|
| RGB | rgb(33, 67, 166) |
| HSL | hsl(225, 67%, 39%) |
| HSV | hsv(225, 80%, 65%) |
| CMYK | cmyk(80.1%, 59.6%, 0%, 34.9%) |
| CIE-LAB | lab(32.01, 25.22, -56.71) |
| CIE-LCH | lch(32.01, 62.06, 293.98°) |
| OKLab | oklab(42.32% -0.0134 -0.1639) |
| OKLCH | oklch(42.32% 0.164 265.3) |
| XYZ | xyz(9.5149, 7.0897, 36.9360) |
| Luminance | 0.0709 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.53
Sapphire (survey)
#2138AB
ΔE00 3.80
Cobalt (survey)
#1E488F
ΔE00 4.47
Blue Blue
#2242C7
ΔE00 4.75
Sapphire
#0F52BA
ΔE00 5.62
Blueberry
#464196
ΔE00 5.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2143A6 #A68421
analogous
#2186A6 #2143A6 #4221A6
triadic
#2143A6 #A62143 #43A621
tetradic
#2143A6 #A62186 #A68421 #21A642
square
#2143A6 #A62186 #A68421 #21A642
split-complementary
#2143A6 #A64221 #86A621
monochromatic
#0D1A40 #172E73 #2143A6 #2F59D6 #6282E0
Accessibility & contrast
On white
8.68
#2143A6 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.42
#2143A6 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2143A6
8.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2143A6 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2143A6 | 1.00 | 8.68 | 2.42 | 8.68 |
| #FFFFFF | 8.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.42 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0052A9
Deuteranopia (green-blind)
#0045A4
Tritanopia (blue-blind)
#005C6E
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #2143a6; /* rgb */ color: rgb(33, 67, 166); /* oklch */ color: oklch(42.3% 0.164 265.3);
Tailwind
colors: {
custom: {
50: '#7376c1',
500: '#2143a6',
950: '#000000',
},
}SCSS
$custom: #2143a6; $custom-light: #7376c1; $custom-dark: #000000;
JSON
{
"hex": "#2143a6",
"rgb": {
"r": 33,
"g": 67,
"b": 166
},
"hsl": {
"h": 224.662,
"s": 66.834,
"l": 39.02
},
"oklch": {
"l": 0.42324,
"c": 0.16444,
"h": 265.3
},
"luminance": 0.07091
}Semantic roles & 50–950 ramp
primary
#2143A6
secondary
#C5AA5E
accent
#BE3EEA
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#090812
muted
#7B7B81