#1F98B4#1F98B4
#1F98B4 is a light, moderate cyan. Relative luminance 0.260; OKLCH L 63.0% C 0.107 H 218.3°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).
Color values
| HEX | #1F98B4 |
|---|---|
| RGB | rgb(31, 152, 180) |
| HSL | hsl(191, 71%, 41%) |
| HSV | hsv(191, 83%, 71%) |
| CMYK | cmyk(82.8%, 15.6%, 0%, 29.4%) |
| CIE-LAB | lab(58.08, -21.76, -23.59) |
| CIE-LCH | lch(58.08, 32.09, 227.31°) |
| OKLab | oklab(62.98% -0.0837 -0.066) |
| OKLCH | oklch(62.98% 0.107 218.3) |
| XYZ | xyz(20.0280, 26.0405, 47.1419) |
| Luminance | 0.2604 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 5.96
Dirty Blue
#3F829D
ΔE00 8.18
Turquoise Blue
#06B1C4
ΔE00 8.52
Greyblue
#77A1B5
ΔE00 9.53
Cadetblue
#5F9EA0
ΔE00 9.71
Ocean
#017B92
ΔE00 10.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F98B4 #B43B1F
analogous
#1FB486 #1F98B4 #1F4EB4
triadic
#1F98B4 #B41F98 #98B41F
tetradic
#1F98B4 #861FB4 #B43B1F #4EB41F
square
#1F98B4 #861FB4 #B43B1F #4EB41F
split-complementary
#1F98B4 #B41F4E #B4861F
monochromatic
#0D404C #166C80 #1F98B4 #34BDDC #68CEE5
Accessibility & contrast
On white
3.38
#1F98B4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.21
#1F98B4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1F98B4
6.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F98B4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1F98B4 | 1.00 | 3.38 | 6.21 | 6.21 |
| #FFFFFF | 3.38 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.21 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.21 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8693B6
Deuteranopia (green-blind)
#7386B4
Tritanopia (blue-blind)
#00A1A1
Achromatopsia (no color)
#8C8C8C
Design tokens & code
CSS
--color: #1f98b4; /* rgb */ color: rgb(31, 152, 180); /* oklch */ color: oklch(63.0% 0.107 218.3);
Tailwind
colors: {
custom: {
50: '#76b6ca',
500: '#1f98b4',
950: '#000000',
},
}SCSS
$custom: #1f98b4; $custom-light: #76b6ca; $custom-dark: #000000;
JSON
{
"hex": "#1f98b4",
"rgb": {
"r": 31,
"g": 152,
"b": 180
},
"hsl": {
"h": 191.275,
"s": 70.616,
"l": 41.373
},
"oklch": {
"l": 0.6298,
"c": 0.10657,
"h": 218.3
},
"luminance": 0.26043
}Semantic roles & 50–950 ramp
primary
#1F98B4
secondary
#CB7764
accent
#5C3AED
background
#F7FBFC
surface
#EEF6F8
border
#C9D0D1
text
#0A1113
muted
#7C8082