#101637#101637
#101637 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.6% C 0.064 H 272.2°. Best body text is #FFFFFF at 17.62:1 contrast (WCAG AA passes).
Color values
| HEX | #101637 |
|---|---|
| RGB | rgb(16, 22, 55) |
| HSL | hsl(231, 55%, 14%) |
| HSV | hsv(231, 71%, 22%) |
| CMYK | cmyk(70.9%, 60%, 0%, 78.4%) |
| CIE-LAB | lab(8.65, 9.85, -22.49) |
| CIE-LCH | lch(8.65, 24.55, 293.65°) |
| OKLab | oklab(21.62% 0.0025 -0.0644) |
| OKLCH | oklch(21.62% 0.064 272.2) |
| XYZ | xyz(1.1900, 0.9597, 3.7362) |
| Luminance | 0.0096 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy (survey)
#01153E
ΔE00 3.32
Midnight
#03012D
ΔE00 4.31
Dark Navy Blue
#00022E
ΔE00 4.32
Dark Navy
#000435
ΔE00 4.90
Very Dark Blue
#000133
ΔE00 5.15
Navy Blue (survey)
#001146
ΔE00 5.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#101637 #373110
analogous
#102A37 #101637 #1E1037
triadic
#101637 #371016 #163710
tetradic
#101637 #37102A #373110 #10371E
square
#101637 #37102A #373110 #10371E
split-complementary
#101637 #371E10 #2A3710
monochromatic
#070918 #070918 #101637 #1E2966 #2C3C96
Accessibility & contrast
On white
17.62
#101637 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.19
#101637 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #101637
17.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##101637 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##101637 | 1.00 | 17.62 | 1.19 | 17.62 |
| #FFFFFF | 17.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#051B38
Deuteranopia (green-blind)
#001736
Tritanopia (blue-blind)
#001E23
Achromatopsia (no color)
#191919
Design tokens & code
CSS
--color: #101637; /* rgb */ color: rgb(16, 22, 55); /* oklch */ color: oklch(21.6% 0.064 272.2);
Tailwind
colors: {
custom: {
50: '#53526e',
500: '#101637',
950: '#000000',
},
}SCSS
$custom: #101637; $custom-light: #53526e; $custom-dark: #000000;
JSON
{
"hex": "#101637",
"rgb": {
"r": 16,
"g": 22,
"b": 55
},
"hsl": {
"h": 230.769,
"s": 54.93,
"l": 13.922
},
"oklch": {
"l": 0.21624,
"c": 0.06446,
"h": 272.2
},
"luminance": 0.0096
}Semantic roles & 50–950 ramp
primary
#101637
secondary
#716732
accent
#C74ADE
background
#F4F4F6
surface
#E7E7EC
border
#C3C3C7
text
#030207
muted
#78787A