#1F4E8D#1F4E8D
#1F4E8D is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.7% C 0.116 H 256.9°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).
Color values
| HEX | #1F4E8D |
|---|---|
| RGB | rgb(31, 78, 141) |
| HSL | hsl(214, 64%, 34%) |
| HSV | hsv(214, 78%, 55%) |
| CMYK | cmyk(78%, 44.7%, 0%, 44.7%) |
| CIE-LAB | lab(33.27, 7.62, -39.52) |
| CIE-LCH | lch(33.27, 40.25, 280.92°) |
| OKLab | oklab(42.68% -0.0264 -0.1132) |
| OKLCH | oklch(42.68% 0.116 256.9) |
| XYZ | xyz(8.0954, 7.6622, 26.2464) |
| Luminance | 0.0766 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusk Blue
#26538D
ΔE00 1.66
Cobalt (survey)
#1E488F
ΔE00 2.33
Light Navy
#155084
ΔE00 2.72
Twilight Blue
#0A437A
ΔE00 4.15
Darkish Blue
#014182
ΔE00 4.27
Light Navy Blue
#2E5A88
ΔE00 4.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F4E8D #8D5E1F
analogous
#1F858D #1F4E8D #271F8D
triadic
#1F4E8D #8D1F4E #4E8D1F
tetradic
#1F4E8D #8D1F85 #8D5E1F #1F8D27
square
#1F4E8D #8D1F85 #8D5E1F #1F8D27
split-complementary
#1F4E8D #8D271F #858D1F
monochromatic
#091629 #14325B #1F4E8D #2A6ABF #4E89D8
Accessibility & contrast
On white
8.29
#1F4E8D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.53
#1F4E8D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F4E8D
8.29:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F4E8D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F4E8D | 1.00 | 8.29 | 2.53 | 8.29 |
| #FFFFFF | 8.29 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.53 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.29 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2E548F
Deuteranopia (green-blind)
#194A8C
Tritanopia (blue-blind)
#005D66
Achromatopsia (no color)
#4E4E4E
Design tokens & code
CSS
--color: #1f4e8d; /* rgb */ color: rgb(31, 78, 141); /* oklch */ color: oklch(42.7% 0.116 256.9);
Tailwind
colors: {
custom: {
50: '#6c7faf',
500: '#1f4e8d',
950: '#000000',
},
}SCSS
$custom: #1f4e8d; $custom-light: #6c7faf; $custom-dark: #000000;
JSON
{
"hex": "#1f4e8d",
"rgb": {
"r": 31,
"g": 78,
"b": 141
},
"hsl": {
"h": 214.364,
"s": 63.953,
"l": 33.725
},
"oklch": {
"l": 0.42684,
"c": 0.11621,
"h": 256.9
},
"luminance": 0.07663
}Semantic roles & 50–950 ramp
primary
#1F4E8D
secondary
#BB8C4D
accent
#A041E7
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#080A10
muted
#7A7C7F