#6471AB
Closest named color: Dull Blue (#49759C). oklch(56.3% 0.091 273.5), rgb(100, 113, 171).
Aa
White text reads best on this color (4.67:1).
About this color
#6471AB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.091 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.044 away. White text reads best on it, at 4.67:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.49:1 |
| White text | 4.67:1 |
Values
| HEX | #6471AB |
| RGB | rgb(100, 113, 171) |
| HSL | hsl(229, 30%, 53%) |
| OKLCH | oklch(56.3% 0.091 273.5) |
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 #6471AB | 4.67:1 | AA | Lc -77.9 | Fine for body text |
| Black text on #6471AB | 4.49:1 | AA large text | Lc 31.7 | Non-text elements, placeholder text |
| #6471AB text on white | 4.67:1 | AA | Lc 72.4 | Content text, not long reading |
| #6471AB text on black | 4.49:1 | AA large text | Lc -29.3 | Dividers and decoration only |
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
#D4D8E9
oklch(88.4% 0.024 275.3)
-
Step 300
300
#B8BFDC
oklch(80.9% 0.042 274.7)
-
Step 400
400
#939ECA
oklch(70.6% 0.066 273.7)
-
Step 500
500
#7986BD
oklch(63.1% 0.084 273.5)
-
Step 600
600 (this color)
#6471AB
oklch(56.3% 0.091 273.5)
-
Step 700
700
#515D91
oklch(49.2% 0.085 273)
-
Step 800
800
#434C76
oklch(42.8% 0.071 273.8)
-
Step 900
900
#383F5F
oklch(37.6% 0.056 274)
-
Step 950
950
#212538
oklch(27% 0.036 274.6)
#6471AB 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) | #5D77AD | 0.018 |
| Deuteranopia (no green cones) | #5771AA | 0.017 |
| Tritanopia (no blue cones) | #4D7D86 | 0.082 |
| Achromatopsia (no color) | #747474 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6471AB
#6471AB
oklch(56.3% 0.091 273.5)
- #87742F
#87742F
oklch(56.3% 0.091 93.8)
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 #6471AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.044
- Flat Blue #3C73A8 ΔE 0.046
- French Blue #436BAD ΔE 0.046
- Stormy Blue #507B9C ΔE 0.048
- Muted Blue #3B719F ΔE 0.053
- Steel Blue #4682B4 ΔE 0.053
- Cerulean #457B9D ΔE 0.053
- Off Blue #5684AE ΔE 0.053
Use #6471AB 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.