#102840#102840
#102840 is a dark, muted cyan. Relative luminance 0.020; OKLCH L 27.1% C 0.054 H 250.5°. Best body text is #FFFFFF at 15.00:1 contrast (WCAG AA passes).
Color values
| HEX | #102840 |
|---|---|
| RGB | rgb(16, 40, 64) |
| HSL | hsl(210, 60%, 16%) |
| HSV | hsv(210, 75%, 25%) |
| CMYK | cmyk(75%, 37.5%, 0%, 74.9%) |
| CIE-LAB | lab(15.48, -0.03, -17.99) |
| CIE-LCH | lch(15.48, 17.99, 269.90°) |
| OKLab | oklab(27.09% -0.0181 -0.0509) |
| OKLCH | oklch(27.09% 0.054 250.5) |
| XYZ | xyz(1.8975, 1.9977, 5.1351) |
| Luminance | 0.0200 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Navy Blue
#1B2A4A
ΔE00 4.99
Dark
#1B2431
ΔE00 5.17
Marine
#042E60
ΔE00 6.31
Dark Blue Grey
#1F3B4D
ΔE00 7.68
Marine Blue
#01386A
ΔE00 7.89
Navy (survey)
#01153E
ΔE00 8.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#102840 #402810
analogous
#104040 #102840 #101040
triadic
#102840 #401028 #284010
tetradic
#102840 #401040 #402810 #104010
square
#102840 #401040 #402810 #104010
split-complementary
#102840 #401010 #404010
monochromatic
#060F18 #060F18 #102840 #1C4771 #2865A2
Accessibility & contrast
On white
15.00
#102840 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.40
#102840 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #102840
15.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##102840 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##102840 | 1.00 | 15.00 | 1.40 | 15.00 |
| #FFFFFF | 15.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 15.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1D2941
Deuteranopia (green-blind)
#172540
Tritanopia (blue-blind)
#002E31
Achromatopsia (no color)
#272727
Design tokens & code
CSS
--color: #102840; /* rgb */ color: rgb(16, 40, 64); /* oklch */ color: oklch(27.1% 0.054 250.5);
Tailwind
colors: {
custom: {
50: '#546175',
500: '#102840',
950: '#000000',
},
}SCSS
$custom: #102840; $custom-light: #546175; $custom-dark: #000000;
JSON
{
"hex": "#102840",
"rgb": {
"r": 16,
"g": 40,
"b": 64
},
"hsl": {
"h": 210,
"s": 60,
"l": 15.686
},
"oklch": {
"l": 0.27094,
"c": 0.05405,
"h": 250.5
},
"luminance": 0.01998
}Semantic roles & 50–950 ramp
primary
#102840
secondary
#7A5632
accent
#9445E3
background
#F5F5F7
surface
#E9E9ED
border
#C5C5C8
text
#030508
muted
#78797B