#257CA2#257CA2
#257CA2 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.3% C 0.099 H 231.8°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).
Color values
| HEX | #257CA2 |
|---|---|
| RGB | rgb(37, 124, 162) |
| HSL | hsl(198, 63%, 39%) |
| HSV | hsv(198, 77%, 64%) |
| CMYK | cmyk(77.2%, 23.5%, 0%, 36.5%) |
| CIE-LAB | lab(48.78, -12.12, -27.59) |
| CIE-LCH | lch(48.78, 30.14, 246.29°) |
| OKLab | oklab(55.31% -0.0612 -0.0776) |
| OKLCH | oklch(55.31% 0.099 231.8) |
| XYZ | xyz(14.4896, 17.4155, 36.7733) |
| Luminance | 0.1742 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean
#007BA7
ΔE00 1.59
Nice Blue
#107AB0
ΔE00 4.03
Dirty Blue
#3F829D
ΔE00 4.07
Sea Blue
#047495
ΔE00 4.08
Ocean Blue (survey)
#03719C
ΔE00 4.40
Stormy Blue
#507B9C
ΔE00 5.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#257CA2 #A24B25
analogous
#25A28A #257CA2 #253EA2
triadic
#257CA2 #A2257C #7CA225
tetradic
#257CA2 #8A25A2 #A24B25 #3EA225
square
#257CA2 #8A25A2 #A24B25 #3EA225
split-complementary
#257CA2 #A2253E #A28A25
monochromatic
#0E303E #1A5670 #257CA2 #34A1D1 #65B8DC
Accessibility & contrast
On white
4.68
#257CA2 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.48
#257CA2 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #257CA2
4.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##257CA2 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##257CA2 | 1.00 | 4.68 | 4.48 | 4.68 |
| #FFFFFF | 4.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.48 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#697BA4
Deuteranopia (green-blind)
#586FA1
Tritanopia (blue-blind)
#008689
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #257ca2; /* rgb */ color: rgb(37, 124, 162); /* oklch */ color: oklch(55.3% 0.099 231.8);
Tailwind
colors: {
custom: {
50: '#73a1bd',
500: '#257ca2',
950: '#000000',
},
}SCSS
$custom: #257ca2; $custom-light: #73a1bd; $custom-dark: #000000;
JSON
{
"hex": "#257ca2",
"rgb": {
"r": 37,
"g": 124,
"b": 162
},
"hsl": {
"h": 198.24,
"s": 62.814,
"l": 39.02
},
"oklch": {
"l": 0.55313,
"c": 0.09885,
"h": 231.8
},
"luminance": 0.17417
}Semantic roles & 50–950 ramp
primary
#257CA2
secondary
#C27F61
accent
#7442E6
background
#F7F9FB
surface
#EDF2F6
border
#C8CCD0
text
#090F12
muted
#7B7E81