#2177A0#2177A0
#2177A0 is a mid, moderate cyan. Relative luminance 0.161; OKLCH L 53.9% C 0.101 H 234.4°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #2177A0 |
|---|---|
| RGB | rgb(33, 119, 160) |
| HSL | hsl(199, 66%, 38%) |
| HSV | hsv(199, 79%, 63%) |
| CMYK | cmyk(79.4%, 25.6%, 0%, 37.3%) |
| CIE-LAB | lab(47.04, -10.44, -29.13) |
| CIE-LCH | lch(47.04, 30.94, 250.28°) |
| OKLab | oklab(53.87% -0.0588 -0.0822) |
| OKLCH | oklch(53.87% 0.101 234.4) |
| XYZ | xyz(13.5666, 16.0534, 35.6345) |
| Luminance | 0.1605 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean
#007BA7
ΔE00 1.85
Ocean Blue (survey)
#03719C
ΔE00 2.46
Nice Blue
#107AB0
ΔE00 3.10
Sea Blue
#047495
ΔE00 3.84
Muted Blue
#3B719F
ΔE00 5.20
Stormy Blue
#507B9C
ΔE00 5.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2177A0 #A04A21
analogous
#21A089 #2177A0 #2138A0
triadic
#2177A0 #A02177 #77A021
tetradic
#2177A0 #8921A0 #A04A21 #38A021
square
#2177A0 #8921A0 #A04A21 #38A021
split-complementary
#2177A0 #A02138 #A08921
monochromatic
#0C2C3B #17516D #2177A0 #2B9DD3 #5EB4DE
Accessibility & contrast
On white
4.99
#2177A0 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.21
#2177A0 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2177A0
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2177A0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2177A0 | 1.00 | 4.99 | 4.21 | 4.99 |
| #FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6376A2
Deuteranopia (green-blind)
#526A9F
Tritanopia (blue-blind)
#008285
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #2177a0; /* rgb */ color: rgb(33, 119, 160); /* oklch */ color: oklch(53.9% 0.101 234.4);
Tailwind
colors: {
custom: {
50: '#719ebc',
500: '#2177a0',
950: '#000000',
},
}SCSS
$custom: #2177a0; $custom-light: #719ebc; $custom-dark: #000000;
JSON
{
"hex": "#2177a0",
"rgb": {
"r": 33,
"g": 119,
"b": 160
},
"hsl": {
"h": 199.37,
"s": 65.803,
"l": 37.843
},
"oklch": {
"l": 0.53874,
"c": 0.10102,
"h": 234.4
},
"luminance": 0.16055
}Semantic roles & 50–950 ramp
primary
#2177A0
secondary
#C27C5B
accent
#763FE9
background
#F7F9FB
surface
#EDF2F6
border
#C8CCD0
text
#090E12
muted
#7B7E81