#1F5089#1F5089
#1F5089 is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.9% C 0.108 H 254.4°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).
Color values
| HEX | #1F5089 |
|---|---|
| RGB | rgb(31, 80, 137) |
| HSL | hsl(212, 63%, 33%) |
| HSV | hsv(212, 77%, 54%) |
| CMYK | cmyk(77.4%, 41.6%, 0%, 46.3%) |
| CIE-LAB | lab(33.63, 4.70, -36.49) |
| CIE-LCH | lch(33.63, 36.79, 277.34°) |
| OKLab | oklab(42.89% -0.0292 -0.1042) |
| OKLCH | oklch(42.89% 0.108 254.4) |
| XYZ | xyz(7.9474, 7.8339, 24.7553) |
| Luminance | 0.0784 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusk Blue
#26538D
ΔE00 1.21
Light Navy
#155084
ΔE00 1.72
Cobalt (survey)
#1E488F
ΔE00 3.39
Light Navy Blue
#2E5A88
ΔE00 3.50
Prussian Blue
#004577
ΔE00 4.35
Twilight Blue
#0A437A
ΔE00 4.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F5089 #89581F
analogous
#1F8589 #1F5089 #231F89
triadic
#1F5089 #891F50 #50891F
tetradic
#1F5089 #891F85 #89581F #1F8923
square
#1F5089 #891F85 #89581F #1F8923
split-complementary
#1F5089 #89231F #85891F
monochromatic
#081625 #143357 #1F5089 #2A6DBB #4C8CD6
Accessibility & contrast
On white
8.18
#1F5089 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.57
#1F5089 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F5089
8.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F5089 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F5089 | 1.00 | 8.18 | 2.57 | 8.18 |
| #FFFFFF | 8.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.57 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#35548B
Deuteranopia (green-blind)
#234B88
Tritanopia (blue-blind)
#005D66
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #1f5089; /* rgb */ color: rgb(31, 80, 137); /* oklch */ color: oklch(42.9% 0.108 254.4);
Tailwind
colors: {
custom: {
50: '#6b80ac',
500: '#1f5089',
950: '#000000',
},
}SCSS
$custom: #1f5089; $custom-light: #6b80ac; $custom-dark: #000000;
JSON
{
"hex": "#1f5089",
"rgb": {
"r": 31,
"g": 80,
"b": 137
},
"hsl": {
"h": 212.264,
"s": 63.095,
"l": 32.941
},
"oklch": {
"l": 0.42887,
"c": 0.10823,
"h": 254.4
},
"luminance": 0.07835
}Semantic roles & 50–950 ramp
primary
#1F5089
secondary
#B9864B
accent
#9A42E6
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A10
muted
#7A7C7F