#258BC6#258BC6
#258BC6 is a mid, vivid cyan. Relative luminance 0.229; OKLCH L 60.8% C 0.126 H 240.0°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).
Color values
| HEX | #258BC6 |
|---|---|
| RGB | rgb(37, 139, 198) |
| HSL | hsl(202, 69%, 46%) |
| HSV | hsv(202, 81%, 78%) |
| CMYK | cmyk(81.3%, 29.8%, 0%, 22.4%) |
| CIE-LAB | lab(55.00, -7.74, -38.56) |
| CIE-LCH | lch(55.00, 39.33, 258.65°) |
| OKLab | oklab(60.81% -0.0631 -0.1093) |
| OKLCH | oklch(60.81% 0.126 240) |
| XYZ | xyz(20.1846, 22.9333, 56.7779) |
| Luminance | 0.2294 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 2.05
Cerulean (survey)
#0485D1
ΔE00 3.26
Cool Blue
#4984B8
ΔE00 4.52
Steel Blue
#4682B4
ΔE00 4.65
Off Blue
#5684AE
ΔE00 5.99
Dusty Blue
#5A86AD
ΔE00 6.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#258BC6 #C66025
analogous
#25C6B0 #258BC6 #253AC6
triadic
#258BC6 #C6258B #8BC625
tetradic
#258BC6 #B025C6 #C66025 #3AC625
square
#258BC6 #B025C6 #C66025 #3AC625
split-complementary
#258BC6 #C6253A #C6B025
monochromatic
#12435F #1B6792 #258BC6 #4BA8DD #7EC1E7
Accessibility & contrast
On white
3.76
#258BC6 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.59
#258BC6 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #258BC6
5.59:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##258BC6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##258BC6 | 1.00 | 3.76 | 5.59 | 5.59 |
| #FFFFFF | 3.76 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.59 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.59 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6F8CC9
Deuteranopia (green-blind)
#597DC5
Tritanopia (blue-blind)
#009AA0
Achromatopsia (no color)
#848484
Design tokens & code
CSS
--color: #258bc6; /* rgb */ color: rgb(37, 139, 198); /* oklch */ color: oklch(60.8% 0.126 240.0);
Tailwind
colors: {
custom: {
50: '#7aacd7',
500: '#258bc6',
950: '#000000',
},
}SCSS
$custom: #258bc6; $custom-light: #7aacd7; $custom-dark: #000000;
JSON
{
"hex": "#258bc6",
"rgb": {
"r": 37,
"g": 139,
"b": 198
},
"hsl": {
"h": 201.988,
"s": 68.511,
"l": 46.078
},
"oklch": {
"l": 0.60808,
"c": 0.12617,
"h": 240
},
"luminance": 0.22936
}Semantic roles & 50–950 ramp
primary
#258BC6
secondary
#CF9877
accent
#7D3CEB
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B1014
muted
#7C7F83