#1F5679#1F5679
#1F5679 is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.4% C 0.081 H 240.5°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).
Color values
| HEX | #1F5679 |
|---|---|
| RGB | rgb(31, 86, 121) |
| HSL | hsl(203, 59%, 30%) |
| HSV | hsv(203, 74%, 47%) |
| CMYK | cmyk(74.4%, 28.9%, 0%, 52.5%) |
| CIE-LAB | lab(34.65, -5.39, -25.02) |
| CIE-LCH | lch(34.65, 25.60, 257.85°) |
| OKLab | oklab(43.4% -0.04 -0.0706) |
| OKLCH | oklch(43.4% 0.081 240.5) |
| XYZ | xyz(7.3427, 8.3265, 19.3057) |
| Luminance | 0.0833 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deep Sea Blue
#015482
ΔE00 2.42
Light Navy
#155084
ΔE00 4.35
Light Navy Blue
#2E5A88
ΔE00 4.45
Dark Slate Blue
#214761
ΔE00 5.50
Ugly Blue
#31668A
ΔE00 5.61
Dusk Blue
#26538D
ΔE00 5.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F5679 #79421F
analogous
#1F796F #1F5679 #1F2979
triadic
#1F5679 #791F56 #56791F
tetradic
#1F5679 #6F1F79 #79421F #29791F
square
#1F5679 #6F1F79 #79421F #29791F
split-complementary
#1F5679 #791F29 #796F1F
monochromatic
#061118 #133348 #1F5679 #2B79AA #4399CF
Accessibility & contrast
On white
7.88
#1F5679 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.67
#1F5679 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F5679
7.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F5679 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F5679 | 1.00 | 7.88 | 2.67 | 7.88 |
| #FFFFFF | 7.88 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.67 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.88 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#46567B
Deuteranopia (green-blind)
#394E78
Tritanopia (blue-blind)
#005F62
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #1f5679; /* rgb */ color: rgb(31, 86, 121); /* oklch */ color: oklch(43.4% 0.081 240.5);
Tailwind
colors: {
custom: {
50: '#6785a0',
500: '#1f5679',
950: '#000000',
},
}SCSS
$custom: #1f5679; $custom-light: #6785a0; $custom-dark: #000000;
JSON
{
"hex": "#1f5679",
"rgb": {
"r": 31,
"g": 86,
"b": 121
},
"hsl": {
"h": 203.333,
"s": 59.211,
"l": 29.804
},
"oklch": {
"l": 0.434,
"c": 0.0812,
"h": 240.5
},
"luminance": 0.08327
}Semantic roles & 50–950 ramp
primary
#1F5679
secondary
#AC6F47
accent
#8245E2
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#070B0E
muted
#7A7C7E