#1F5EA0#1F5EA0
#1F5EA0 is a mid, vivid cyan. Relative luminance 0.108; OKLCH L 47.7% C 0.124 H 252.9°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).
Color values
| HEX | #1F5EA0 |
|---|---|
| RGB | rgb(31, 94, 160) |
| HSL | hsl(211, 68%, 37%) |
| HSV | hsv(211, 81%, 63%) |
| CMYK | cmyk(80.6%, 41.3%, 0%, 37.3%) |
| CIE-LAB | lab(39.30, 4.64, -41.36) |
| CIE-LCH | lch(39.30, 41.62, 276.41°) |
| OKLab | oklab(47.75% -0.0364 -0.1182) |
| OKLCH | oklch(47.75% 0.124 252.9) |
| XYZ | xyz(10.9106, 10.8335, 34.7669) |
| Luminance | 0.1084 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy Blue
#2E5A88
ΔE00 3.14
Denim
#1560BD
ΔE00 3.42
Denim (survey)
#3B638C
ΔE00 3.67
Denim Blue
#3B5B92
ΔE00 4.32
Dusk Blue
#26538D
ΔE00 4.39
Mid Blue
#276AB3
ΔE00 4.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F5EA0 #A0611F
analogous
#1F9EA0 #1F5EA0 #211FA0
triadic
#1F5EA0 #A01F5E #5EA01F
tetradic
#1F5EA0 #A01F9E #A0611F #1FA021
square
#1F5EA0 #A01F9E #A0611F #1FA021
split-complementary
#1F5EA0 #A0211F #9EA01F
monochromatic
#0B2239 #15406D #1F5EA0 #297CD3 #5A9BDF
Accessibility & contrast
On white
6.63
#1F5EA0 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.17
#1F5EA0 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1F5EA0
6.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F5EA0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F5EA0 | 1.00 | 6.63 | 3.17 | 6.63 |
| #FFFFFF | 6.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.17 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3E63A3
Deuteranopia (green-blind)
#28579F
Tritanopia (blue-blind)
#006E77
Achromatopsia (no color)
#5D5D5D
Design tokens & code
CSS
--color: #1f5ea0; /* rgb */ color: rgb(31, 94, 160); /* oklch */ color: oklch(47.7% 0.124 252.9);
Tailwind
colors: {
custom: {
50: '#708bbc',
500: '#1f5ea0',
950: '#000000',
},
}SCSS
$custom: #1f5ea0; $custom-light: #708bbc; $custom-dark: #000000;
JSON
{
"hex": "#1f5ea0",
"rgb": {
"r": 31,
"g": 94,
"b": 160
},
"hsl": {
"h": 210.698,
"s": 67.539,
"l": 37.451
},
"oklch": {
"l": 0.47749,
"c": 0.12373,
"h": 252.9
},
"luminance": 0.10835
}Semantic roles & 50–950 ramp
primary
#1F5EA0
secondary
#C38F58
accent
#963DEA
background
#F7F8FB
surface
#EDF0F6
border
#C8CBD0
text
#090B12
muted
#7B7C81