#277F98#277F98
#277F98 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.6% C 0.089 H 221.0°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).
Color values
| HEX | #277F98 |
|---|---|
| RGB | rgb(39, 127, 152) |
| HSL | hsl(193, 59%, 37%) |
| HSV | hsv(193, 74%, 60%) |
| CMYK | cmyk(74.3%, 16.4%, 0%, 40.4%) |
| CIE-LAB | lab(49.34, -17.03, -20.87) |
| CIE-LCH | lch(49.34, 26.94, 230.79°) |
| OKLab | oklab(55.64% -0.0671 -0.0583) |
| OKLCH | oklch(55.64% 0.089 221) |
| XYZ | xyz(14.0912, 17.8754, 32.4073) |
| Luminance | 0.1788 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ocean
#017B92
ΔE00 2.72
Dirty Blue
#3F829D
ΔE00 3.18
Teal Blue
#01889F
ΔE00 3.96
Sea Blue
#047495
ΔE00 4.97
Cerulean
#007BA7
ΔE00 6.09
Ocean Blue (survey)
#03719C
ΔE00 7.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#277F98 #984027
analogous
#279878 #277F98 #274798
triadic
#277F98 #98277F #7F9827
tetradic
#277F98 #782798 #984027 #479827
square
#277F98 #782798 #984027 #479827
split-complementary
#277F98 #982747 #987827
monochromatic
#0E2E37 #1B5667 #277F98 #33A8C9 #63BDD7
Accessibility & contrast
On white
4.59
#277F98 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.58
#277F98 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #277F98
4.59:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##277F98 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##277F98 | 1.00 | 4.59 | 4.58 | 4.59 |
| #FFFFFF | 4.59 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.58 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.59 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#707C99
Deuteranopia (green-blind)
#617098
Tritanopia (blue-blind)
#008787
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #277f98; /* rgb */ color: rgb(39, 127, 152); /* oklch */ color: oklch(55.6% 0.089 221.0);
Tailwind
colors: {
custom: {
50: '#72a4b6',
500: '#277f98',
950: '#000000',
},
}SCSS
$custom: #277f98; $custom-light: #72a4b6; $custom-dark: #000000;
JSON
{
"hex": "#277f98",
"rgb": {
"r": 39,
"g": 127,
"b": 152
},
"hsl": {
"h": 193.274,
"s": 59.162,
"l": 37.451
},
"oklch": {
"l": 0.5564,
"c": 0.08895,
"h": 221
},
"luminance": 0.17877
}Semantic roles & 50–950 ramp
primary
#277F98
secondary
#BC735E
accent
#6845E2
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#090F11
muted
#7B7F80