#287897#287897
#287897 is a mid, moderate cyan. Relative luminance 0.161; OKLCH L 53.9% C 0.089 H 228.0°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).
Color values
| HEX | #287897 |
|---|---|
| RGB | rgb(40, 120, 151) |
| HSL | hsl(197, 58%, 37%) |
| HSV | hsv(197, 74%, 59%) |
| CMYK | cmyk(73.5%, 20.5%, 0%, 40.8%) |
| CIE-LAB | lab(47.13, -13.33, -23.70) |
| CIE-LCH | lch(47.13, 27.19, 240.64°) |
| OKLab | oklab(53.86% -0.0598 -0.0665) |
| OKLCH | oklch(53.86% 0.089 228) |
| XYZ | xyz(13.1752, 16.1169, 31.6887) |
| Luminance | 0.1612 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Sea Blue
#047495
ΔE00 2.18
Cerulean
#007BA7
ΔE00 3.54
Dirty Blue
#3F829D
ΔE00 4.30
Ocean Blue (survey)
#03719C
ΔE00 4.35
Ocean
#017B92
ΔE00 4.70
Nice Blue
#107AB0
ΔE00 6.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#287897 #974728
analogous
#28977F #287897 #284097
triadic
#287897 #972878 #789728
tetradic
#287897 #7F2897 #974728 #409728
square
#287897 #7F2897 #974728 #409728
split-complementary
#287897 #972840 #977F28
monochromatic
#0E2B36 #1B5267 #287897 #359EC7 #64B6D6
Accessibility & contrast
On white
4.97
#287897 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.22
#287897 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #287897
4.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##287897 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##287897 | 1.00 | 4.97 | 4.22 | 4.97 |
| #FFFFFF | 4.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.22 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#687699
Deuteranopia (green-blind)
#596B97
Tritanopia (blue-blind)
#008182
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #287897; /* rgb */ color: rgb(40, 120, 151); /* oklch */ color: oklch(53.9% 0.089 228.0);
Tailwind
colors: {
custom: {
50: '#729fb5',
500: '#287897',
950: '#000000',
},
}SCSS
$custom: #287897; $custom-light: #729fb5; $custom-dark: #000000;
JSON
{
"hex": "#287897",
"rgb": {
"r": 40,
"g": 120,
"b": 151
},
"hsl": {
"h": 196.757,
"s": 58.115,
"l": 37.451
},
"oklch": {
"l": 0.53857,
"c": 0.08939,
"h": 228
},
"luminance": 0.16118
}Semantic roles & 50–950 ramp
primary
#287897
secondary
#BC795F
accent
#7246E1
background
#F7F9FB
surface
#EDF2F6
border
#C8CCD0
text
#090E11
muted
#7B7E80