#259BBA#259BBA
#259BBA is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.1% C 0.108 H 220.5°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).
Color values
| HEX | #259BBA |
|---|---|
| RGB | rgb(37, 155, 186) |
| HSL | hsl(192, 67%, 44%) |
| HSV | hsv(192, 80%, 73%) |
| CMYK | cmyk(80.1%, 16.7%, 0%, 27.1%) |
| CIE-LAB | lab(59.32, -20.76, -25.05) |
| CIE-LCH | lch(59.32, 32.53, 230.36°) |
| OKLab | oklab(64.09% -0.0822 -0.0701) |
| OKLCH | oklch(64.09% 0.108 220.5) |
| XYZ | xyz(21.3435, 27.3785, 50.6045) |
| Luminance | 0.2738 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 7.31
Turquoise Blue
#06B1C4
ΔE00 8.29
Greyblue
#77A1B5
ΔE00 8.78
Dirty Blue
#3F829D
ΔE00 8.85
Cadetblue
#5F9EA0
ΔE00 10.27
Bluegrey
#85A3B2
ΔE00 11.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#259BBA #BA4425
analogous
#25BA8E #259BBA #2550BA
triadic
#259BBA #BA259B #9BBA25
tetradic
#259BBA #8E25BA #BA4425 #50BA25
square
#259BBA #8E25BA #BA4425 #50BA25
split-complementary
#259BBA #BA2550 #BA8E25
monochromatic
#114654 #1B7087 #259BBA #43BADA #76CDE4
Accessibility & contrast
On white
3.24
#259BBA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.48
#259BBA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #259BBA
6.48:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##259BBA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##259BBA | 1.00 | 3.24 | 6.48 | 6.48 |
| #FFFFFF | 3.24 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.48 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.48 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8897BC
Deuteranopia (green-blind)
#7589BA
Tritanopia (blue-blind)
#00A5A5
Achromatopsia (no color)
#8F8F8F
Design tokens & code
CSS
--color: #259bba; /* rgb */ color: rgb(37, 155, 186); /* oklch */ color: oklch(64.1% 0.108 220.5);
Tailwind
colors: {
custom: {
50: '#79b8ce',
500: '#259bba',
950: '#000000',
},
}SCSS
$custom: #259bba; $custom-light: #79b8ce; $custom-dark: #000000;
JSON
{
"hex": "#259bba",
"rgb": {
"r": 37,
"g": 155,
"b": 186
},
"hsl": {
"h": 192.483,
"s": 66.816,
"l": 43.725
},
"oklch": {
"l": 0.64088,
"c": 0.10809,
"h": 220.5
},
"luminance": 0.27381
}Semantic roles & 50–950 ramp
primary
#259BBA
secondary
#CB8370
accent
#623EEA
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1113
muted
#7C8082