#10155C#10155C
#10155C is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.3% C 0.123 H 270.6°. Best body text is #FFFFFF at 16.36:1 contrast (WCAG AA passes).
Color values
| HEX | #10155C |
|---|---|
| RGB | rgb(16, 21, 92) |
| HSL | hsl(236, 70%, 21%) |
| HSV | hsv(236, 83%, 36%) |
| CMYK | cmyk(82.6%, 77.2%, 0%, 63.9%) |
| CIE-LAB | lab(12.08, 25.91, -42.62) |
| CIE-LCH | lch(12.08, 49.88, 301.29°) |
| OKLab | oklab(25.29% 0.0014 -0.1234) |
| OKLCH | oklch(25.29% 0.123 270.6) |
| XYZ | xyz(2.4130, 1.4189, 10.2698) |
| Luminance | 0.0142 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 3.48
Darkblue (survey)
#030764
ΔE00 4.10
Dark Indigo
#1F0954
ΔE00 4.31
Navy Blue (survey)
#001146
ΔE00 4.42
Dark Blue
#00035B
ΔE00 4.60
Night Blue
#040348
ΔE00 4.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#10155C #5C5710
analogous
#103B5C #10155C #31105C
triadic
#10155C #5C1015 #155C10
tetradic
#10155C #5C103B #5C5710 #105C31
square
#10155C #5C103B #5C5710 #105C31
split-complementary
#10155C #5C3110 #3B5C10
monochromatic
#05061A #070928 #10155C #192190 #222DC4
Accessibility & contrast
On white
16.36
#10155C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.28
#10155C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #10155C
16.36:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##10155C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##10155C | 1.00 | 16.36 | 1.28 | 16.36 |
| #FFFFFF | 16.36 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.28 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.36 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00235E
Deuteranopia (green-blind)
#001C5B
Tritanopia (blue-blind)
#002937
Achromatopsia (no color)
#202020
Design tokens & code
CSS
--color: #10155c; /* rgb */ color: rgb(16, 21, 92); /* oklch */ color: oklch(25.3% 0.123 270.6);
Tailwind
colors: {
custom: {
50: '#5e538b',
500: '#10155c',
950: '#000000',
},
}SCSS
$custom: #10155c; $custom-light: #5e538b; $custom-dark: #000000;
JSON
{
"hex": "#10155c",
"rgb": {
"r": 16,
"g": 21,
"b": 92
},
"hsl": {
"h": 236.053,
"s": 70.37,
"l": 21.176
},
"oklch": {
"l": 0.25286,
"c": 0.12342,
"h": 270.6
},
"luminance": 0.01419
}Semantic roles & 50–950 ramp
primary
#10155C
secondary
#958F33
accent
#E13BED
background
#F5F4F8
surface
#EAE7F0
border
#C6C3CB
text
#05020C
muted
#79787D