#1C298D#1C298D
#1C298D is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.8% C 0.164 H 269.3°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).
Color values
| HEX | #1C298D |
|---|---|
| RGB | rgb(28, 41, 141) |
| HSL | hsl(233, 67%, 33%) |
| HSV | hsv(233, 80%, 55%) |
| CMYK | cmyk(80.1%, 70.9%, 0%, 44.7%) |
| CIE-LAB | lab(22.84, 32.51, -56.46) |
| CIE-LCH | lch(22.84, 65.15, 299.93°) |
| OKLab | oklab(34.81% -0.0019 -0.1635) |
| OKLCH | oklch(34.81% 0.164 269.3) |
| XYZ | xyz(6.0779, 3.7552, 25.5986) |
| Luminance | 0.0376 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 4.56
Sapphire (survey)
#2138AB
ΔE00 5.63
Midnight Blue
#191970
ΔE00 5.67
Cobalt Blue
#030AA7
ΔE00 7.00
Indigo Blue
#3A18B1
ΔE00 7.43
Royal Blue (survey)
#0504AA
ΔE00 7.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C298D #8D801C
analogous
#1C618D #1C298D #471C8D
triadic
#1C298D #8D1C29 #298D1C
tetradic
#1C298D #8D1C61 #8D801C #1C8D47
square
#1C298D #8D1C61 #8D801C #1C8D47
split-complementary
#1C298D #8D471C #618D1C
monochromatic
#080B27 #121A5A #1C298D #2638C0 #4959DB
Accessibility & contrast
On white
11.99
#1C298D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.75
#1C298D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C298D
11.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C298D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C298D | 1.00 | 11.99 | 1.75 | 11.99 |
| #FFFFFF | 11.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003C90
Deuteranopia (green-blind)
#00318B
Tritanopia (blue-blind)
#004557
Achromatopsia (no color)
#373737
Design tokens & code
CSS
--color: #1c298d; /* rgb */ color: rgb(28, 41, 141); /* oklch */ color: oklch(34.8% 0.164 269.3);
Tailwind
colors: {
custom: {
50: '#6d63af',
500: '#1c298d',
950: '#000000',
},
}SCSS
$custom: #1c298d; $custom-light: #6d63af; $custom-dark: #000000;
JSON
{
"hex": "#1c298d",
"rgb": {
"r": 28,
"g": 41,
"b": 141
},
"hsl": {
"h": 233.097,
"s": 66.864,
"l": 33.137
},
"oklch": {
"l": 0.34808,
"c": 0.16352,
"h": 269.3
},
"luminance": 0.03756
}Semantic roles & 50–950 ramp
primary
#1C298D
secondary
#BDAF48
accent
#D63EEA
background
#F7F5FA
surface
#EDEAF5
border
#C8C6CF
text
#080511
muted
#7B7980