#101737#101737
#101737 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.9% C 0.063 H 271.1°. Best body text is #FFFFFF at 17.50:1 contrast (WCAG AA passes).
Color values
| HEX | #101737 |
|---|---|
| RGB | rgb(16, 23, 55) |
| HSL | hsl(229, 55%, 14%) |
| HSV | hsv(229, 71%, 22%) |
| CMYK | cmyk(70.9%, 58.2%, 0%, 78.4%) |
| CIE-LAB | lab(8.98, 9.05, -21.96) |
| CIE-LCH | lch(8.98, 23.75, 292.41°) |
| OKLab | oklab(21.87% 0.0012 -0.0628) |
| OKLCH | oklch(21.87% 0.063 271.1) |
| XYZ | xyz(1.2094, 0.9987, 3.7427) |
| Luminance | 0.0100 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy (survey)
#01153E
ΔE00 3.40
Dark Navy Blue
#00022E
ΔE00 4.63
Midnight
#03012D
ΔE00 4.69
Dark Navy
#000435
ΔE00 5.27
Very Dark Blue
#000133
ΔE00 5.53
Navy Blue (survey)
#001146
ΔE00 5.85
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#101737 #373010
analogous
#102B37 #101737 #1D1037
triadic
#101737 #371017 #173710
tetradic
#101737 #37102B #373010 #10371D
square
#101737 #37102B #373010 #10371D
split-complementary
#101737 #371D10 #2B3710
monochromatic
#070A18 #070A18 #101737 #1E2B66 #2C3F96
Accessibility & contrast
On white
17.50
#101737 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.20
#101737 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #101737
17.50:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##101737 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##101737 | 1.00 | 17.50 | 1.20 | 17.50 |
| #FFFFFF | 17.50 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.20 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.50 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#071B38
Deuteranopia (green-blind)
#021836
Tritanopia (blue-blind)
#001E24
Achromatopsia (no color)
#191919
Design tokens & code
CSS
--color: #101737; /* rgb */ color: rgb(16, 23, 55); /* oklch */ color: oklch(21.9% 0.063 271.1);
Tailwind
colors: {
custom: {
50: '#53536e',
500: '#101737',
950: '#000000',
},
}SCSS
$custom: #101737; $custom-light: #53536e; $custom-dark: #000000;
JSON
{
"hex": "#101737",
"rgb": {
"r": 16,
"g": 23,
"b": 55
},
"hsl": {
"h": 229.231,
"s": 54.93,
"l": 13.922
},
"oklch": {
"l": 0.21874,
"c": 0.06284,
"h": 271.1
},
"luminance": 0.00999
}Semantic roles & 50–950 ramp
primary
#101737
secondary
#716532
accent
#C44ADE
background
#F4F4F6
surface
#E7E7EC
border
#C3C3C7
text
#020207
muted
#78787A