#1C115B#1C115B
#1C115B is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.4% C 0.123 H 279.8°. Best body text is #FFFFFF at 16.40:1 contrast (WCAG AA passes).
Color values
| HEX | #1C115B |
|---|---|
| RGB | rgb(28, 17, 91) |
| HSL | hsl(249, 69%, 21%) |
| HSV | hsv(249, 81%, 36%) |
| CMYK | cmyk(69.2%, 81.3%, 0%, 64.3%) |
| CIE-LAB | lab(11.98, 29.43, -42.09) |
| CIE-LCH | lch(11.98, 51.36, 304.96°) |
| OKLab | oklab(25.41% 0.0209 -0.1215) |
| OKLCH | oklch(25.41% 0.123 279.8) |
| XYZ | xyz(2.5671, 1.4029, 10.0310) |
| Luminance | 0.0140 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Indigo
#1F0954
ΔE00 2.25
Darkblue (survey)
#030764
ΔE00 3.63
Dark Blue
#00035B
ΔE00 3.91
Midnight Blue
#191970
ΔE00 3.91
Night Blue
#040348
ΔE00 4.36
Dark Royal Blue
#02066F
ΔE00 4.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C115B #505B11
analogous
#112B5B #1C115B #41115B
triadic
#1C115B #5B1C11 #115B1C
tetradic
#1C115B #5B112B #505B11 #115B41
square
#1C115B #5B112B #505B11 #115B41
split-complementary
#1C115B #5B4111 #2B5B11
monochromatic
#08051A #0C0727 #1C115B #2C1B8F #3C24C2
Accessibility & contrast
On white
16.40
#1C115B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.28
#1C115B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C115B
16.40:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C115B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C115B | 1.00 | 16.40 | 1.28 | 16.40 |
| #FFFFFF | 16.40 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.28 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.40 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00225D
Deuteranopia (green-blind)
#001D5A
Tritanopia (blue-blind)
#002635
Achromatopsia (no color)
#1F1F1F
Design tokens & code
CSS
--color: #1c115b; /* rgb */ color: rgb(28, 17, 91); /* oklch */ color: oklch(25.4% 0.123 279.8);
Tailwind
colors: {
custom: {
50: '#62518a',
500: '#1c115b',
950: '#000000',
},
}SCSS
$custom: #1c115b; $custom-light: #62518a; $custom-dark: #000000;
JSON
{
"hex": "#1c115b",
"rgb": {
"r": 28,
"g": 17,
"b": 91
},
"hsl": {
"h": 248.919,
"s": 68.519,
"l": 21.176
},
"oklch": {
"l": 0.25413,
"c": 0.12329,
"h": 279.8
},
"luminance": 0.01403
}Semantic roles & 50–950 ramp
primary
#1C115B
secondary
#869434
accent
#EB3CD1
background
#F6F4F8
surface
#EBE7F0
border
#C6C3CB
text
#06020C
muted
#7A787D