#6873AC
Closest named color: Stormy Blue (#507B9C). oklch(57% 0.089 274.9), rgb(104, 115, 172).
Aa
Black text reads best on this color (4.63:1).
About this color
#6873AC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.089 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.048 away. Black text reads best on it, at 4.63:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.63:1 |
| White text | 4.52:1 |
Values
| HEX | #6873AC |
| RGB | rgb(104, 115, 172) |
| HSL | hsl(230, 29%, 54%) |
| OKLCH | oklch(57% 0.089 274.9) |
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 #6873AC | 4.52:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #6873AC | 4.63:1 | AA | Lc 32.7 | Non-text elements, placeholder text |
| #6873AC text on white | 4.52:1 | AA | Lc 71.4 | Content text, not long reading |
| #6873AC text on black | 4.63:1 | AA | Lc -30.3 | 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
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D4D8E8
oklch(88.4% 0.022 274.7)
-
Step 300
300
#B9BFDB
oklch(80.9% 0.04 275.9)
-
Step 400
400
#949EC9
oklch(70.7% 0.064 274.5)
-
Step 500
500
#7B86BB
oklch(63.2% 0.081 274.8)
-
Step 600
600 (this color)
#6873AC
oklch(57% 0.089 274.9)
-
Step 700
700
#535C90
oklch(49% 0.084 275.4)
-
Step 800
800
#444C75
oklch(42.8% 0.069 274.7)
-
Step 900
900
#393F5E
oklch(37.6% 0.054 275.1)
-
Step 950
950
#212537
oklch(26.9% 0.034 274.3)
#6873AC 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) | #6079AE | 0.018 |
| Deuteranopia (no green cones) | #5B74AB | 0.017 |
| Tritanopia (no blue cones) | #537E88 | 0.078 |
| Achromatopsia (no color) | #767676 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6873AC
#6873AC
oklch(57% 0.089 274.9)
- #887734
#887734
oklch(57.1% 0.089 95.2)
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 #6873AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.048
- Dull Blue #49759C ΔE 0.048
- Off Blue #5684AE ΔE 0.050
- Steel Blue #4682B4 ΔE 0.052
- Flat Blue #3C73A8 ΔE 0.052
- Cool Blue #4984B8 ΔE 0.054
- French Blue #436BAD ΔE 0.054
- Dusty Blue #5A86AD ΔE 0.054
Use #6873AC 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.