#256D8D#256D8D
#256D8D is a mid, moderate cyan. Relative luminance 0.133; OKLCH L 50.5% C 0.086 H 231.4°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).
Color values
| HEX | #256D8D |
|---|---|
| RGB | rgb(37, 109, 141) |
| HSL | hsl(198, 58%, 35%) |
| HSV | hsv(198, 74%, 55%) |
| CMYK | cmyk(73.8%, 22.7%, 0%, 44.7%) |
| CIE-LAB | lab(43.14, -10.98, -23.95) |
| CIE-LCH | lch(43.14, 26.34, 245.37°) |
| OKLab | oklab(50.51% -0.0537 -0.0673) |
| OKLCH | oklch(50.51% 0.086 231.4) |
| XYZ | xyz(11.0374, 13.2524, 27.1704) |
| Luminance | 0.1325 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ocean Blue (survey)
#03719C
ΔE00 3.06
Sea Blue
#047495
ΔE00 3.16
Ugly Blue
#31668A
ΔE00 4.26
Peacock Blue
#016795
ΔE00 4.37
Cerulean
#007BA7
ΔE00 5.73
Metallic Blue
#4F738E
ΔE00 6.09
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#256D8D #8D4525
analogous
#258D79 #256D8D #25398D
triadic
#256D8D #8D256D #6D8D25
tetradic
#256D8D #79258D #8D4525 #398D25
square
#256D8D #79258D #8D4525 #398D25
split-complementary
#256D8D #8D2539 #8D7925
monochromatic
#0C222C #18485D #256D8D #3292BD #59AED3
Accessibility & contrast
On white
5.75
#256D8D on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.65
#256D8D on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #256D8D
5.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##256D8D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##256D8D | 1.00 | 5.75 | 3.65 | 5.75 |
| #FFFFFF | 5.75 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.75 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D6C8F
Deuteranopia (green-blind)
#4F618D
Tritanopia (blue-blind)
#007678
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #256d8d; /* rgb */ color: rgb(37, 109, 141); /* oklch */ color: oklch(50.5% 0.086 231.4);
Tailwind
colors: {
custom: {
50: '#6e96ae',
500: '#256d8d',
950: '#000000',
},
}SCSS
$custom: #256d8d; $custom-light: #6e96ae; $custom-dark: #000000;
JSON
{
"hex": "#256d8d",
"rgb": {
"r": 37,
"g": 109,
"b": 141
},
"hsl": {
"h": 198.462,
"s": 58.427,
"l": 34.902
},
"oklch": {
"l": 0.50508,
"c": 0.08607,
"h": 231.4
},
"luminance": 0.13254
}Semantic roles & 50–950 ramp
primary
#256D8D
secondary
#B87456
accent
#7646E2
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080D10
muted
#7B7E7F