#1F7DB0#1F7DB0
#1F7DB0 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.1% C 0.114 H 238.5°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).
Color values
| HEX | #1F7DB0 |
|---|---|
| RGB | rgb(31, 125, 176) |
| HSL | hsl(201, 70%, 41%) |
| HSV | hsv(201, 82%, 69%) |
| CMYK | cmyk(82.4%, 29%, 0%, 31%) |
| CIE-LAB | lab(49.61, -8.26, -34.44) |
| CIE-LCH | lch(49.61, 35.42, 256.52°) |
| OKLab | oklab(56.15% -0.0598 -0.0975) |
| OKLCH | oklch(56.15% 0.114 238.5) |
| XYZ | xyz(15.7320, 18.0912, 43.7287) |
| Luminance | 0.1809 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Nice Blue
#107AB0
ΔE00 1.28
Cerulean
#007BA7
ΔE00 3.05
Steel Blue
#4682B4
ΔE00 4.38
Water Blue
#0E87CC
ΔE00 4.89
Bluish
#2976BB
ΔE00 5.14
Cerulean (survey)
#0485D1
ΔE00 5.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F7DB0 #B0521F
analogous
#1FB09A #1F7DB0 #1F35B0
triadic
#1F7DB0 #B01F7D #7DB01F
tetradic
#1F7DB0 #9A1FB0 #B0521F #35B01F
square
#1F7DB0 #9A1FB0 #B0521F #35B01F
split-complementary
#1F7DB0 #B01F35 #B09A1F
monochromatic
#0D3348 #16587C #1F7DB0 #319FDB #65B7E4
Accessibility & contrast
On white
4.55
#1F7DB0 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.62
#1F7DB0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1F7DB0
4.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F7DB0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1F7DB0 | 1.00 | 4.55 | 4.62 | 4.62 |
| #FFFFFF | 4.55 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.62 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.62 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#657DB2
Deuteranopia (green-blind)
#5170AF
Tritanopia (blue-blind)
#008A8F
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #1f7db0; /* rgb */ color: rgb(31, 125, 176); /* oklch */ color: oklch(56.1% 0.114 238.5);
Tailwind
colors: {
custom: {
50: '#74a2c8',
500: '#1f7db0',
950: '#000000',
},
}SCSS
$custom: #1f7db0; $custom-light: #74a2c8; $custom-dark: #000000;
JSON
{
"hex": "#1f7db0",
"rgb": {
"r": 31,
"g": 125,
"b": 176
},
"hsl": {
"h": 201.103,
"s": 70.048,
"l": 40.588
},
"oklch": {
"l": 0.56147,
"c": 0.11439,
"h": 238.5
},
"luminance": 0.18093
}Semantic roles & 50–950 ramp
primary
#1F7DB0
secondary
#C98662
accent
#7A3BED
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0F13
muted
#7C7E82