#1B545F#1B545F
#1B545F is a dark, moderate teal. Relative luminance 0.074; OKLCH L 41.4% C 0.060 H 212.9°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).
Color values
| HEX | #1B545F |
|---|---|
| RGB | rgb(27, 84, 95) |
| HSL | hsl(190, 56%, 24%) |
| HSV | hsv(190, 72%, 37%) |
| CMYK | cmyk(71.6%, 11.6%, 0%, 62.7%) |
| CIE-LAB | lab(32.70, -14.35, -11.80) |
| CIE-LCH | lch(32.70, 18.58, 219.43°) |
| OKLab | oklab(41.42% -0.0508 -0.0328) |
| OKLCH | oklch(41.42% 0.06 212.9) |
| XYZ | xyz(5.6870, 7.3993, 11.9527) |
| Luminance | 0.0740 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Petrol
#005F6A
ΔE00 4.48
Deep Teal
#00555A
ΔE00 4.55
Darkslategray
#2F4F4F
ΔE00 5.84
Dark Teal
#014D4E
ΔE00 6.50
Dark Turquoise
#045C5A
ΔE00 8.15
Dark Aqua
#05696B
ΔE00 9.29
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B545F #5F261B
analogous
#1B5F48 #1B545F #1B325F
triadic
#1B545F #5F1B54 #545F1B
tetradic
#1B545F #481B5F #5F261B #325F1B
square
#1B545F #481B5F #5F261B #325F1B
split-complementary
#1B545F #5F1B32 #5F481B
monochromatic
#071518 #0D2A2F #1B545F #297E8F #36A8BE
Accessibility & contrast
On white
8.47
#1B545F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.48
#1B545F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B545F
8.47:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B545F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B545F | 1.00 | 8.47 | 2.48 | 8.47 |
| #FFFFFF | 8.47 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.48 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.47 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4C5160
Deuteranopia (green-blind)
#424A5F
Tritanopia (blue-blind)
#005857
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #1b545f; /* rgb */ color: rgb(27, 84, 95); /* oklch */ color: oklch(41.4% 0.060 212.9);
Tailwind
colors: {
custom: {
50: '#61848c',
500: '#1b545f',
950: '#000000',
},
}SCSS
$custom: #1b545f; $custom-light: #61848c; $custom-dark: #000000;
JSON
{
"hex": "#1b545f",
"rgb": {
"r": 27,
"g": 84,
"b": 95
},
"hsl": {
"h": 189.706,
"s": 55.738,
"l": 23.922
},
"oklch": {
"l": 0.41419,
"c": 0.06045,
"h": 212.9
},
"luminance": 0.074
}Semantic roles & 50–950 ramp
primary
#1B545F
secondary
#954F41
accent
#6149DF
background
#F6F8F8
surface
#EBEFF0
border
#C6CACB
text
#050B0C
muted
#7A7C7D