#1F516D#1F516D
#1F516D is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.4% C 0.071 H 236.6°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).
Color values
| HEX | #1F516D |
|---|---|
| RGB | rgb(31, 81, 109) |
| HSL | hsl(202, 56%, 27%) |
| HSV | hsv(202, 72%, 43%) |
| CMYK | cmyk(71.6%, 25.7%, 0%, 57.3%) |
| CIE-LAB | lab(32.44, -6.78, -21.01) |
| CIE-LCH | lch(32.44, 22.08, 252.12°) |
| OKLab | oklab(41.45% -0.0389 -0.0591) |
| OKLCH | oklch(41.45% 0.071 236.6) |
| XYZ | xyz(6.2667, 7.2796, 15.5399) |
| Luminance | 0.0728 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 3.66
Deep Sea Blue
#015482
ΔE00 4.53
Dark Grey Blue
#29465B
ΔE00 4.72
Light Navy
#155084
ΔE00 6.02
Light Navy Blue
#2E5A88
ΔE00 6.85
Prussian Blue
#004577
ΔE00 6.88
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F516D #6D3B1F
analogous
#1F6D62 #1F516D #1F2A6D
triadic
#1F516D #6D1F51 #516D1F
tetradic
#1F516D #621F6D #6D3B1F #2A6D1F
square
#1F516D #621F6D #6D3B1F #2A6D1F
split-complementary
#1F516D #6D1F2A #6D621F
monochromatic
#071218 #112E3D #1F516D #2D749D #3E97C8
Accessibility & contrast
On white
8.55
#1F516D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.46
#1F516D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F516D
8.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F516D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F516D | 1.00 | 8.55 | 2.46 | 8.55 |
| #FFFFFF | 8.55 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.46 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.55 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#44516E
Deuteranopia (green-blind)
#39496D
Tritanopia (blue-blind)
#00585B
Achromatopsia (no color)
#4C4C4C
Design tokens & code
CSS
--color: #1f516d; /* rgb */ color: rgb(31, 81, 109); /* oklch */ color: oklch(41.4% 0.071 236.6);
Tailwind
colors: {
custom: {
50: '#658197',
500: '#1f516d',
950: '#000000',
},
}SCSS
$custom: #1f516d; $custom-light: #658197; $custom-dark: #000000;
JSON
{
"hex": "#1f516d",
"rgb": {
"r": 31,
"g": 81,
"b": 109
},
"hsl": {
"h": 201.538,
"s": 55.714,
"l": 27.451
},
"oklch": {
"l": 0.41447,
"c": 0.07073,
"h": 236.6
},
"luminance": 0.0728
}Semantic roles & 50–950 ramp
primary
#1F516D
secondary
#A16747
accent
#7F49DF
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#060A0D
muted
#7A7C7E