#6576AD
Closest named color: Off Blue (#5684AE). oklch(57.5% 0.088 270.4), rgb(101, 118, 173).
Aa
Black text reads best on this color (4.74:1).
About this color
#6576AD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.088 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.041 away. Black text reads best on it, at 4.74:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 4.74:1 |
| White text | 4.42:1 |
Values
| HEX | #6576AD |
| RGB | rgb(101, 118, 173) |
| HSL | hsl(226, 31%, 54%) |
| OKLCH | oklch(57.5% 0.088 270.4) |
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 #6576AD | 4.42:1 | AA large text | Lc -76.1 | Fine for body text |
| Black text on #6576AD | 4.74:1 | AA | Lc 33.5 | Non-text elements, placeholder text |
| #6576AD text on white | 4.42:1 | AA large text | Lc 70.6 | Content text, not long reading |
| #6576AD text on black | 4.74:1 | AA | Lc -31.0 | 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 600.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF2
oklch(93.7% 0.011 269.5)
-
Step 200
200
#D3D9E8
oklch(88.5% 0.022 268.4)
-
Step 300
300
#B7C0DB
oklch(80.9% 0.039 270.9)
-
Step 400
400
#919FC9
oklch(70.7% 0.064 270.4)
-
Step 500
500
#7787BB
oklch(63.1% 0.081 270.8)
-
Step 600
600 (this color)
#6576AD
oklch(57.5% 0.088 270.4)
-
Step 700
700
#4F5E8F
oklch(49.1% 0.081 270.3)
-
Step 800
800
#414D74
oklch(42.8% 0.067 270.3)
-
Step 900
900
#37405E
oklch(37.7% 0.053 270.9)
-
Step 950
950
#202637
oklch(27.1% 0.033 269.2)
#6576AD 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) | #637BAF | 0.014 |
| Deuteranopia (no green cones) | #5D75AC | 0.011 |
| Tritanopia (no blue cones) | #4D818A | 0.078 |
| Achromatopsia (no color) | #787878 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6576AD
#6576AD
oklch(57.5% 0.088 270.4)
- #8D7737
#8D7737
oklch(57.6% 0.088 90.5)
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 #6576AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.041
- Stormy Blue #507B9C ΔE 0.043
- Steel Blue #4682B4 ΔE 0.043
- Dull Blue #49759C ΔE 0.045
- Cool Blue #4984B8 ΔE 0.045
- Dusty Blue #5A86AD ΔE 0.046
- Cerulean #457B9D ΔE 0.049
- Flat Blue #3C73A8 ΔE 0.050
Use #6576AD 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.