#2A198F#2A198F
#2A198F is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.6% C 0.178 H 277.3°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).
Color values
| HEX | #2A198F |
|---|---|
| RGB | rgb(42, 25, 143) |
| HSL | hsl(249, 70%, 33%) |
| HSV | hsv(249, 83%, 56%) |
| CMYK | cmyk(70.6%, 82.5%, 0%, 43.9%) |
| CIE-LAB | lab(20.71, 43.66, -61.20) |
| CIE-LCH | lch(20.71, 75.18, 305.51°) |
| OKLab | oklab(33.6% 0.0227 -0.1768) |
| OKLCH | oklch(33.6% 0.178 277.3) |
| XYZ | xyz(6.2588, 3.1701, 26.2633) |
| Luminance | 0.0317 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 2.23
Cobalt Blue
#030AA7
ΔE00 4.03
Indigo (survey)
#380282
ΔE00 4.31
Royal Blue (survey)
#0504AA
ΔE00 4.50
Darkblue
#00008B
ΔE00 4.55
Ultramarine
#2000B1
ΔE00 5.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A198F #7E8F19
analogous
#19438F #2A198F #65198F
triadic
#2A198F #8F2A19 #198F2A
tetradic
#2A198F #8F1943 #7E8F19 #198F65
square
#2A198F #8F1943 #7E8F19 #198F65
split-complementary
#2A198F #8F6519 #438F19
monochromatic
#0B0727 #1B105B #2A198F #3922C3 #5A44DE
Accessibility & contrast
On white
12.85
#2A198F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.63
#2A198F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A198F
12.85:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A198F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A198F | 1.00 | 12.85 | 1.63 | 12.85 |
| #FFFFFF | 12.85 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.85 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003792
Deuteranopia (green-blind)
#002D8D
Tritanopia (blue-blind)
#003E55
Achromatopsia (no color)
#323232
Design tokens & code
CSS
--color: #2a198f; /* rgb */ color: rgb(42, 25, 143); /* oklch */ color: oklch(33.6% 0.178 277.3);
Tailwind
colors: {
custom: {
50: '#745ab1',
500: '#2a198f',
950: '#000000',
},
}SCSS
$custom: #2a198f; $custom-light: #745ab1; $custom-dark: #000000;
JSON
{
"hex": "#2a198f",
"rgb": {
"r": 42,
"g": 25,
"b": 143
},
"hsl": {
"h": 248.644,
"s": 70.238,
"l": 32.941
},
"oklch": {
"l": 0.33599,
"c": 0.17828,
"h": 277.3
},
"luminance": 0.03171
}Semantic roles & 50–950 ramp
primary
#2A198F
secondary
#AEBF44
accent
#ED3BD3
background
#F7F5FB
surface
#EEE9F6
border
#C9C5D0
text
#0A0411
muted
#7C7980