#170740#170740
#170740 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.3% C 0.099 H 286.8°. Best body text is #FFFFFF at 18.41:1 contrast (WCAG AA passes).
Color values
| HEX | #170740 |
|---|---|
| RGB | rgb(23, 7, 64) |
| HSL | hsl(257, 80%, 14%) |
| HSV | hsv(257, 89%, 25%) |
| CMYK | cmyk(64.1%, 89.1%, 0%, 74.9%) |
| CIE-LAB | lab(6.36, 24.84, -32.65) |
| CIE-LCH | lch(6.36, 41.03, 307.26°) |
| OKLab | oklab(20.32% 0.0286 -0.0946) |
| OKLCH | oklch(20.32% 0.099 286.8) |
| XYZ | xyz(1.3545, 0.7042, 4.9140) |
| Luminance | 0.0070 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Night Blue
#040348
ΔE00 3.59
Dark Indigo
#1F0954
ΔE00 4.04
Midnight Blue (survey)
#020035
ΔE00 5.03
Navy Blue (survey)
#001146
ΔE00 5.32
Midnight Purple
#280137
ΔE00 5.75
Dark Navy
#000435
ΔE00 5.87
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#170740 #304007
analogous
#071440 #170740 #340740
triadic
#170740 #401707 #074017
tetradic
#170740 #400714 #304007 #074034
square
#170740 #400714 #304007 #074034
split-complementary
#170740 #403407 #144007
monochromatic
#0A031C #0A031C #170740 #2B0D77 #3F13AE
Accessibility & contrast
On white
18.41
#170740 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.14
#170740 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #170740
18.41:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##170740 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##170740 | 1.00 | 18.41 | 1.14 | 18.41 |
| #FFFFFF | 18.41 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.14 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 18.41 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001542
Deuteranopia (green-blind)
#00123F
Tritanopia (blue-blind)
#051823
Achromatopsia (no color)
#141414
Design tokens & code
CSS
--color: #170740; /* rgb */ color: rgb(23, 7, 64); /* oklch */ color: oklch(20.3% 0.099 286.8);
Tailwind
colors: {
custom: {
50: '#5a4975',
500: '#170740',
950: '#000000',
},
}SCSS
$custom: #170740; $custom-light: #5a4975; $custom-dark: #000000;
JSON
{
"hex": "#170740",
"rgb": {
"r": 23,
"g": 7,
"b": 64
},
"hsl": {
"h": 256.842,
"s": 80.282,
"l": 13.922
},
"oklch": {
"l": 0.20318,
"c": 0.09886,
"h": 286.8
},
"luminance": 0.00704
}Semantic roles & 50–950 ramp
primary
#170740
secondary
#657F24
accent
#F731BF
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#040108
muted
#79777B