#1F5872#1F5872
#1F5872 is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.5% C 0.072 H 231.6°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).
Color values
| HEX | #1F5872 |
|---|---|
| RGB | rgb(31, 88, 114) |
| HSL | hsl(199, 57%, 28%) |
| HSV | hsv(199, 73%, 45%) |
| CMYK | cmyk(72.8%, 22.8%, 0%, 55.3%) |
| CIE-LAB | lab(34.97, -9.22, -20.19) |
| CIE-LCH | lch(34.97, 22.20, 245.44°) |
| OKLab | oklab(43.54% -0.0448 -0.0567) |
| OKLCH | oklch(43.54% 0.072 231.6) |
| XYZ | xyz(7.0909, 8.4849, 17.1804) |
| Luminance | 0.0849 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deep Sea Blue
#015482
ΔE00 6.04
Dark Slate Blue
#214761
ΔE00 6.43
Ugly Blue
#31668A
ΔE00 6.43
Dark Grey Blue
#29465B
ΔE00 7.10
Peacock Blue
#016795
ΔE00 7.21
Light Navy Blue
#2E5A88
ΔE00 7.91
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F5872 #72391F
analogous
#1F7262 #1F5872 #1F2E72
triadic
#1F5872 #721F58 #58721F
tetradic
#1F5872 #621F72 #72391F #2E721F
square
#1F5872 #621F72 #72391F #2E721F
split-complementary
#1F5872 #721F2E #72621F
monochromatic
#071318 #123342 #1F5872 #2C7DA2 #40A0CB
Accessibility & contrast
On white
7.79
#1F5872 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.70
#1F5872 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F5872
7.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F5872 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F5872 | 1.00 | 7.79 | 2.70 | 7.79 |
| #FFFFFF | 7.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.70 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4B5773
Deuteranopia (green-blind)
#404F72
Tritanopia (blue-blind)
#005F61
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #1f5872; /* rgb */ color: rgb(31, 88, 114); /* oklch */ color: oklch(43.5% 0.072 231.6);
Tailwind
colors: {
custom: {
50: '#66879a',
500: '#1f5872',
950: '#000000',
},
}SCSS
$custom: #1f5872; $custom-light: #66879a; $custom-dark: #000000;
JSON
{
"hex": "#1f5872",
"rgb": {
"r": 31,
"g": 88,
"b": 114
},
"hsl": {
"h": 198.795,
"s": 57.241,
"l": 28.431
},
"oklch": {
"l": 0.43544,
"c": 0.07226,
"h": 231.6
},
"luminance": 0.08486
}Semantic roles & 50–950 ramp
primary
#1F5872
secondary
#A66547
accent
#7747E0
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060B0E
muted
#7A7C7E