#1F5474#1F5474
#1F5474 is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.6% C 0.077 H 238.9°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).
Color values
| HEX | #1F5474 |
|---|---|
| RGB | rgb(31, 84, 116) |
| HSL | hsl(203, 58%, 29%) |
| HSV | hsv(203, 73%, 45%) |
| CMYK | cmyk(73.3%, 27.6%, 0%, 54.5%) |
| CIE-LAB | lab(33.76, -6.03, -23.32) |
| CIE-LCH | lch(33.76, 24.09, 255.52°) |
| OKLab | oklab(42.61% -0.0397 -0.0657) |
| OKLCH | oklch(42.61% 0.077 238.9) |
| XYZ | xyz(6.8866, 7.8921, 17.6800) |
| Luminance | 0.0789 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deep Sea Blue
#015482
ΔE00 3.15
Dark Slate Blue
#214761
ΔE00 4.65
Light Navy
#155084
ΔE00 4.91
Light Navy Blue
#2E5A88
ΔE00 5.38
Dark Grey Blue
#29465B
ΔE00 5.87
Dusk Blue
#26538D
ΔE00 6.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F5474 #743F1F
analogous
#1F746A #1F5474 #1F2A74
triadic
#1F5474 #741F54 #54741F
tetradic
#1F5474 #6A1F74 #743F1F #2A741F
square
#1F5474 #6A1F74 #743F1F #2A741F
split-complementary
#1F5474 #741F2A #746A1F
monochromatic
#061118 #123144 #1F5474 #2C77A4 #4198CC
Accessibility & contrast
On white
8.14
#1F5474 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.58
#1F5474 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F5474
8.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F5474 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F5474 | 1.00 | 8.14 | 2.58 | 8.14 |
| #FFFFFF | 8.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.58 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#455475
Deuteranopia (green-blind)
#394C73
Tritanopia (blue-blind)
#005C5F
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #1f5474; /* rgb */ color: rgb(31, 84, 116); /* oklch */ color: oklch(42.6% 0.077 238.9);
Tailwind
colors: {
custom: {
50: '#66849c',
500: '#1f5474',
950: '#000000',
},
}SCSS
$custom: #1f5474; $custom-light: #66849c; $custom-dark: #000000;
JSON
{
"hex": "#1f5474",
"rgb": {
"r": 31,
"g": 84,
"b": 116
},
"hsl": {
"h": 202.588,
"s": 57.823,
"l": 28.824
},
"oklch": {
"l": 0.42608,
"c": 0.07677,
"h": 238.9
},
"luminance": 0.07893
}Semantic roles & 50–950 ramp
primary
#1F5474
secondary
#A86B47
accent
#8147E1
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060A0E
muted
#7A7C7E