#6180AF
Closest named color: Off Blue (#5684AE). oklch(59.5% 0.081 258.5), rgb(97, 128, 175).
Aa
Black text reads best on this color (5.21:1).
About this color
#6180AF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.081 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.016 away. Black text reads best on it, at 5.21:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 5.21:1 |
| White text | 4.02:1 |
Values
| HEX | #6180AF |
| RGB | rgb(97, 128, 175) |
| HSL | hsl(216, 33%, 53%) |
| OKLCH | oklch(59.5% 0.081 258.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #6180AF | 4.02:1 | AA large text | Lc -73.0 | Content text, not long reading |
| Black text on #6180AF | 5.21:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #6180AF text on white | 4.02:1 | AA large text | Lc 67.5 | Content text, not long reading |
| #6180AF text on black | 5.21:1 | AA | Lc -34.2 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#D0DAE8
oklch(88.5% 0.022 256.7)
-
Step 300
300
#B1C2DB
oklch(80.9% 0.04 257.9)
-
Step 400
400
#89A2C8
oklch(70.7% 0.063 258.6)
-
Step 500
500 (this color)
#6180AF
oklch(59.5% 0.081 258.5)
-
Step 600
600
#5374A7
oklch(55.6% 0.089 258.9)
-
Step 700
700
#43618F
oklch(49% 0.082 258.7)
-
Step 800
800
#385074
oklch(42.8% 0.067 258.3)
-
Step 900
900
#30425E
oklch(37.7% 0.054 259)
-
Step 950
950
#1C2737
oklch(27% 0.034 257.7)
#6180AF with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #6F83B1 | 0.021 |
| Deuteranopia (no green cones) | #667BAE | 0.014 |
| Tritanopia (no blue cones) | #438A90 | 0.072 |
| Achromatopsia (no color) | #7F7F7F | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6180AF
#6180AF
oklch(59.5% 0.081 258.5)
- #997945
#997945
oklch(59.5% 0.08 78.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6180AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.016
- Dusty Blue #5A86AD ΔE 0.019
- Cool Blue #4984B8 ΔE 0.027
- Steel Blue #4682B4 ΔE 0.028
- Faded Blue #658CBB ΔE 0.036
- Stormy Blue #507B9C ΔE 0.038
- Cerulean #457B9D ΔE 0.046
- Lavender Gray #7E7F9A ΔE 0.048
Use #6180AF in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.