#1F526B#1F526B
#1F526B is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.6% C 0.068 H 233.1°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).
Color values
| HEX | #1F526B |
|---|---|
| RGB | rgb(31, 82, 107) |
| HSL | hsl(200, 55%, 27%) |
| HSV | hsv(200, 71%, 42%) |
| CMYK | cmyk(71%, 23.4%, 0%, 58%) |
| CIE-LAB | lab(32.67, -8.14, -19.39) |
| CIE-LCH | lch(32.67, 21.03, 247.23°) |
| OKLab | oklab(41.6% -0.0408 -0.0544) |
| OKLCH | oklch(41.6% 0.068 233.1) |
| XYZ | xyz(6.2352, 7.3868, 15.0042) |
| Luminance | 0.0739 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 4.49
Dark Grey Blue
#29465B
ΔE00 5.16
Deep Sea Blue
#015482
ΔE00 5.84
Light Navy
#155084
ΔE00 7.54
Ugly Blue
#31668A
ΔE00 7.92
Dark Blue Grey
#1F3B4D
ΔE00 8.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F526B #6B381F
analogous
#1F6B5E #1F526B #1F2C6B
triadic
#1F526B #6B1F52 #526B1F
tetradic
#1F526B #5E1F6B #6B381F #2C6B1F
square
#1F526B #5E1F6B #6B381F #2C6B1F
split-complementary
#1F526B #6B1F2C #6B5E1F
monochromatic
#071218 #112E3C #1F526B #2D769A #3D9AC7
Accessibility & contrast
On white
8.48
#1F526B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.48
#1F526B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F526B
8.48:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F526B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F526B | 1.00 | 8.48 | 2.48 | 8.48 |
| #FFFFFF | 8.48 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.48 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.48 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#46516C
Deuteranopia (green-blind)
#3B4A6B
Tritanopia (blue-blind)
#00595A
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #1f526b; /* rgb */ color: rgb(31, 82, 107); /* oklch */ color: oklch(41.6% 0.068 233.1);
Tailwind
colors: {
custom: {
50: '#658295',
500: '#1f526b',
950: '#000000',
},
}SCSS
$custom: #1f526b; $custom-light: #658295; $custom-dark: #000000;
JSON
{
"hex": "#1f526b",
"rgb": {
"r": 31,
"g": 82,
"b": 107
},
"hsl": {
"h": 199.737,
"s": 55.072,
"l": 27.059
},
"oklch": {
"l": 0.41604,
"c": 0.068,
"h": 233.1
},
"luminance": 0.07387
}Semantic roles & 50–950 ramp
primary
#1F526B
secondary
#9F6447
accent
#7A49DE
background
#F6F7F9
surface
#EBEEF1
border
#C6C9CB
text
#060A0D
muted
#7A7C7E